| Montesquieu (1689–1755) |
| Maria Montessori (1870–1952) |
| Antonio del Monte y Tejada (1783–1861) |
| Florence Montgomery (1843–1923) |
| James Montgomery (1771–1854) |
| Vincenzo Monti (1754–1828) |
| Agustín de Montiano y Luyando (1697–1764) |
| Susanna Moodie (1803–1885) |
| Dwight Lyman Moody (1837–1899) |
| William Vaughn Moody (1869–1910) |
| James Mooney (1861–1921) |
| Charles Leonard Moore (1854–1925) |
| Clement Clarke Moore (1779–1863) |
| Edward Moore (1712–1757) |
| Frank Frankfort Moore (1855–1931) |
| George Moore (1852–1933) |
| George Henry Moore (1823–1892) |
| Horatio Newton Moore (1814–1859) |
| John Trotwood Moore (1858–1929) |
| Thomas Moore (1779–1852) |
| Hannah More (1745–1833) |
| Paul Elmer More (1864–1937) |
| Sir Thomas More (1478–1535) |
| Jean Moréas (1856–1910) |
| Giovanni Morelli (1816–1891) |
| Agustín Moreto (1618–1669) |
| Henry Morford (1823–1881) |
| Lewis Henry Morgan (1818–1881) |
| Lady Sydney Morgan (1783–1859) |
| James Justinian Morier (1780?–1849) |
| Eduard Mörike (1804–1875) |
| James Cotter Morison (1832–1888) |
| Henry Morley (1822–1894) |
| John Morley (1838–1923) |
| Margaret Warner Morley (1858–1923) |
| Charles Morris (1833–1922) |
| Clara Morris (1848–1925) |
| George Pope Morris (1802–1864) |
| George Sylvester Morris (1840–1889) |
| Gouverneur Morris (1752–1816) |
| Gouverneur Morris (1876–1953) |
| Harrison Smith Morris (1856–1948) |
| Lewis Morris (1833–1907) |
| William Morris (1834–1896) |
| Arthur Morrison (1863–1945) |
| John Torrey Morse, Jr. (1840–1937) |
| Samuel Finley Breese Morse (1791–1872) |
| John Maddison Morton (1811–1891) |
| Sarah Wentworth Apthorp Morton (1759–1846) |
| Thomas Morton (1764–1838) |
| Moschus? (fl. 150 B.C.) |
| Julius Mosen (1803–1867) |
| Salomon Hermann von Mosenthal (1821–1877) |
| Gustav von Moser (1825–1903) |
| Justus Möser (1720–1794) |
| Johann Lorenz von Mosheim (1694?–1755) |
| Matías de la Mota Padilla (1688–1766) |
| William Motherwell (1797–1835) |
| John Lothrop Motley (1814–1877) |
| Louise Chandler Moulton (1835–1908) |
| John Moultrie (1799–1874) |
| Clara H. Mountcastle (1837–1908) |
| William Mountford (1816–1885) |
| William Mudford (1782–1848) |
| Theodor Mügge (1806–1861) |
| Luise Mühlbach (1814–1873) |
| William Augustus Muhlenberg (1796–1877) |
| John Muir (1838–1914) |
| Sir William Muir (1819–1905) |
| Elisha Mulford (1833–1885) |
| Prentice Mulford (1834–1891) |
| Michael George Mulhall (1836–1900) |
| Friedrich Müller (1749–1825) |
| Friedrich Max Müller (1823–1900) |
| Johannes von Müller (1752–1809) |
| Karl Müller (1819–1889) |
| Karl Otfried Müller (1797–1840) |
| Otto Müller (1816–1894) |
| Wilhelm Müller (1794–1827) |
| Wilhelm Müller (1820–1892) |
| Wolfgang Müller von Königswinter (1816–1873) |
| Arthur Joseph Munby (1828–1910) |
| Andreas Munch (1811–1884) |
| Peder Andreas Munch (1810–1863) |
| Baron Hieronymus Carl Friedrich von Münchhausen (1720–1797) |
| Anthony Munday (1553–1633) |
| Theodor Mundt (1808–1861) |
| Theodore Thornton Munger (1830–1910) |
| Richard Kendall Munkittrick (1853–1911) |
| Charles Clark Munn (1848–1917) |
| Neil Munro (1864–1930) |
| Kirk Munroe (1850–1930) |
| Hugo Münsterberg (1863–1916) |
| Achille Murat (1801–1847) |
| Ludovico Antonio Muratori (1672–1750) |
| Andreiï Muravieff (1798–1874) |
| Sir Roderick Impey Murchison (1792–1871) |
| William Murdoch (1823–1887) |
| William Mure (1799–1860) |
| Fanny Noailles Dickinson Murfree (1846–1941) |
| Mary Noailles Murfree (Charles Egbert Craddock) (1850–1922) |
| Henri Murger (1822–1861) |
| Thomas Murner (1475–1537) |
| Henry Cruse Murphy (1810–1882) |
| David Christie Murray (1847–1907) |
| Eustace Clare Grenville Murray (1824–1881) |
| Sir Gilbert Murray (1866–1957) |
| Hugh Murray (1779–1846) |
| Sir James Augustin Henry Murray (1837–1915) |
| John Clark Murray (1836–1917) |
| John O’Kane Murray (1847–1885) |
| Lindley Murray (1745–1826) |
| Nicholas Murray (Kirwan) (1802–1861) |
| Thomas Cornelius Murray (1873–1959) |
| William Henry Harrison Murray (1840–1904) |
| Johann Karl August Musäus (1735–1787) |
| John Roy Musick (1849–1901) |
| Alfred de Musset (1810–1857) |
| Artemas Bowers Muzzey (1802–1892) |
| Ernest Myers (1844–1921) |
| Frederic William Henry Myers (1843–1901) |
| Peter Hamilton Myers (1812–1878) |
| Philip van Ness Myers (1846–1937) |
| José Tito Nabuco de Araujo (b. 1836) |
| James Nack (1809–1879) |
| Gustave Nadaud (1820–1893) |
| Constance Caroline Woodhill Naden (1858–1889) |
| Gnaeus Naevius (c. 270– c. 200 B.C.) |
| Carolina Oliphant, Lady Nairne (1766–1845) |
| Count Émile de Najac (1828–1889) |
| Fabio Nannarelli (1825–1894) |
| Fridtjof Nansen (1861–1930) |
| Gábor Naphegyi (1824–1884) |
| Sir Charles James Napier (1782–1853) |
| Sir Charles John Napier (1786–1860) |
| Henry Edward Napier (1789–1853) |
| Sir William Napier (1785–1860) |
| Napoleon III. (1808–1873) |
| Edward Nares (1762–1841) |
| Adam Naruszewicz (1733–1796) |
| Francisco Manuel do Nascimento (1734–1819) |
| Thomas Nashe (1567–1601) |
| Elias Nason (1811–1887) |
| Manuel Navarrete (1768–1809) |
| Martín Fernández de Navarrete (1765–1844) |
| Daniel Neal (1678–1743) |
| John Neal (1793–1876) |
| Joseph Clay Neal (1807–1847) |
| John Mason Neale (1818–1866) |
| Johann August Wilhelm Neander (1789–1850) |
| Henry Neele (1798–1828) |
| Ada Negri (1870–1945) |
| Iacob Negruzzi (1842–1932) |
| Constantin Negruzzi (1808–1868) |
| Nikolay Nekrasov (1821–1877) |
| Henry Loomis Nelson (1846–1908) |
| Božena Němcová (1820–1862) |
| Cornelius Nepos (99?–24? B.C.) |
| Jan Neruda (1834–1891) |
| Gérard de Nerval (1808–1855) |
| Alfred Nettement (1805–1869) |
| John Nevay (1792–1870) |
| William Channing Nevin (1844–1920) |
| Henry Woodd Nevinson (1856–1941) |
| Simon Newcomb (1835–1909) |
| Robert Henry Newell (Orpheus C. Kerr) (1836–1901) |
| Charles Stedman Newhall (1842–1935) |
| Francis William Newman (1805–1897) |
| John Henry Newman (1801–1890) |
| John Philip Newman (1826–1899) |
| Sir Isaac Newton (1642–1727) |
| John Newton (1725–1807) |
| Richard Heber Newton (1840–1914) |
| William Wilberforce Newton (1843–1914) |
| Martin Andersen Nexø (1869–1954) |
| Karl August Nicander (1799–1839) |
| Giovanni Battista Niccolini (1782–1861) |
| Nicephoros (758–828) |
| John Nicol (1833–1894) |
| Louis Nicolardot (1822–1888) |
| John George Nicolay (1832–1901) |
| François Léon Étienne Nicole (1731–1773) |
| Pierre Nicole (1625–1695) |
| Robert Nicoll (1814–1837) |
| Sir William Robertson Nicoll (1851–1923) |
| George Ward Nichols (1837–1885) |
| John Nichols (1745–1826) |
| Meredith Nicholson (1866–1947) |
| Barthold Georg Niebuhr (1776–1831) |
| Abigail May Alcott Nieriker (1840–1879) |
| Julian Ursyn Niemcewicz (1758–1841) |
| Friedrich Nietzsche (1844–1900) |
| Ippolito Nievo (1831–1861) |
| Ivan Nikitin (1824–1861) |
| John Milton Niles (1787–1856) |
| Jean Marie Napoléon Désiré Nisard (1806–1888) |
| Nizami Ganjavi (1140/1–1202/3) |
| Mordecai Manuel Noah (1785–1851) |
| Anna de Noailles (1876–1933) |
| Annette Lucile Noble (1844–1932) |
| Louis Legrand Noble (1813–1882) |
| Charles Nodier (1780–1844) |
| Roden Berkeley Wriothesley Noel (1834–1894) |
| Thomas Noel (1799–1861) |
| François-Félix Nogaret (1740–1831) |
| Joannes Nomsz (1738–1803) |
| Marcellus Nonius (Fourth Century?) |
| Max Simon Nordau (1849–1923) |
| Charles Nordhoff (1830–1901) |
| Johann Nordmann (1820–1887) |
| Jules Noriac (1827–1882) |
| Henry Norman (1858–1939) |
| Frank Norris (1870–1902) |
| Kathleen Thompson Norris (1880–1966) |
| Mary Harriott Norris (1848–1919) |
| William Edward Norris (1847–1925) |
| Simeon North (1802–1884) |
| Sir Thomas North (1535–1601?) |
| Caroline Elizabeth Sarah (Sheridan) Norton (1808–1877) |
| Charles Eliot Norton (1827–1908) |
| Charles Ledyard Norton (1837–1909) |
| Grace Fallow Norton (1876–1926) |
| Thomas Norton (1532–1584) |
| Eliphalet Nott (1773–1866) |
| François de la Noue (1531–1591) |
| Novalis (Friedrich von Hardenberg) (1772–1801) |
| Alfred Noyes (1880–1958) |
| John Humphrey Noyes (1811–1886) |
| Gaspar Núñez de Arce (1834–1903) |
| Rafael Núñez (1825–1894) |
| Thomas Nuttall (1786–1859) |
| Edgar Wilson (Bill) Nye (1850–1896) |
| Sarah Louisa Oberholtzer (1841–1930) |
| Fitz-James O’Brien (1828–1862) |
| Anastasio de Ochoa y Acuña (1783–1833) |
| Daniel O’Connell (1775–1847) |
| William Douglas O’Connor (1832–1889) |
| Adam Gottlob Oehlenschläger (1779–1850) |
| Oettinger Eduard Maria (1808–1872) |
| Ruth Ogden (1853–1927) |
| Thomas O’Hagan (1855–1939) |
| Georges Ohnet (1848–1918) |
| John O’Keeffe (1747–1833) |
| John Oldham (1653–1683) |
| John Oldmixon (1673–1742) |
| William Oldys (1696–1761) |
| Laurence Oliphant (1829–1888) |
| Margaret Oliphant (1828–1897) |
| Juste Olivier (1807–1876) |
| Alfred Ollivant (1874–1927) |
| Émile Ollivier (1825–1913) |
| José Joaquín de Olmedo (1780–1847) |
| Frederick Law Olmsted (1822–1903) |
| Jesse Olney (1798–1872) |
| Barry Edward O’Meara (1786–1836) |
| Georg von Ompteda (1863–1931) |
| Pedro de Oña (1570?–1643?) |
| Polo de Ondegardo (d. 1575) |
| Amelia Opie (1769–1853) |
| Martin Opitz (1597–1639) |
| Edward Phillips Oppenheim (1866–1946) |
| James Oppenheim (1882–1932) |
| Julius Oppert (1825–1905) |
| Oppian (Second Century) |
| Oliver Optic (1822–1897) |
| William Dana Orcutt (1870–1953) |
| John Boyle O’Reilly (1844–1890) |
| Max O’Rell (Paul Blouet) (1848–1903) |
| Francisco Orgaz (1815–1873) |
| Fernão Álvares do Oriente (1540–1599) |
| Origen (185?–254?) |
| Paulus Orosius (Fifth Century) |
| Fernando Orozco y Berra (1822–1851) |
| Manuel Orozco y Berra (1816–1881) |
| James Orton (1830–1877) |
| Jason Rockwood Orton (1806–1867) |
| Henry Fairfield Osborn (1857–1935) |
| Laughton Osborn (1809–1878) |
| Duffield Osborne (1858–1917) |
| Lloyd Osbourne (1868–1947) |
| Frances Sargent Osgood (1811–1850) |
| Samuel Osgood (1812–1880) |
| Arthur William Edgar O’Shaughnessy (1844–1881) |
| Sir William Osler (1849–1919) |
| Alexander Ostrovsky (1823–1886) |
| Wilhelm Ostwald (1853–1932) |
| Felix Leopold Oswald (1845–1906) |
| Rafael Otero (1827–1876) |
| Otfrid von Weissenburg (Ninth Century) |
| Harrison Gray Otis (1765–1848) |
| James Otis (1725–1783) |
| Thomas Otway (1652–1685) |
| Ouida (Marie Louise de la Ramée) (1839–1908) |
| Sir Thomas Overbury (1581–1613) |
| Thomas Overskou (1798–1873) |
| Ovid (43 B.C.–18 A.D.) |
| Goronwy Owen (1723–1769?) |
| Richard Owen (1804–1892) |
| Robert Owen (1771–1858) |
| Robert Dale Owen (1801–1877) |
| John Oxenham (1852–1941) |
| James Macdonald Oxley (1855–1907) |
| Antoine Frédéric Ozanam (1813–1853) |
| Jean Georges Ozaneaux (1795–1852) |
| Henrietta Paalzow (1788–1847) |
| Frederick Adolphus Packard (1794–1867) |
| Pacuvius (219?–129? B.C.) |
| Pedro de Padilla (1550–1595) |
| Thomas Nelson Page (1853–1922) |
| Francis Edward Paget (1806–1882) |
| Édouard Pailleron (1834–1899) |
| Marie Joseph Pain (1773–1830) |
| Albert Bigelow Paine (1861–1937) |
| Robert Treat Paine, Jr. (1773–1811) |
| Thomas Paine (1737–1809) |
| William Painter (1540?–1594) |
| František Palacký (1798–1876) |
| Jean Palaprat (1650–1721) |
| Aonio Paleario (1503–1570) |
| Frederick Apthorp Paley (1815–1888) |
| William Paley (1743–1805) |
| Albert Pálffy (1820–1897) |
| John Gorham Palfrey (1796–1881) |
| Sir Francis Palgrave (1788–1861) |
| Francis Turner Palgrave (1824–1897) |
| Sir Reginald F. D. Palgrave (1829–1904) |
| William Gifford Palgrave (1826–1888) |
| Charles Palissot de Montenoy (1730–1814) |
| Bernard Palissy (1510?–1590) |
| Cardinal Sforza Pallavicino (1607–1667) |
| Emil Palleske (1823–1880) |
| Ramón de Palma y Romay (1812–1860) |
| Luiz Augusto Palmeirim (1825–1893) |
| Anna Campbell Palmer (1854–1928) |
| Edward Henry Palmer (1840–1882) |
| John Williamson Palmer (1825–1906) |
| Joseph Palmer (1756–1815) |
| Julius Auboineau Palmer (1840–1899) |
| Mary Palmer (1716–1794) |
| Ray Palmer (1808–1887) |
| William Palmer (1811–1879) |
| William Pitt Palmer (1805–1884) |
| Giunio Palmotta (1607–1657) |
| Robert Paltock (1697–1767) |
| Frederik Paludan-Müller (1809–1876) |
| Vladimir Panaieff (1792–1854) |
| Charles-François Panard (1689–1765) |
| Pānini (Fourth Century B.C.) |
| Constantine Paparrigopoulos (1815–1891) |
| Marc de Papillon (1555–c. 1605) |
| Emilia Pardo Bazán (1852–1921) |
| Julia Pardoe (1806–1862) |
| George Frederick Pardon (1824–1884) |
| Giuseppe Parini (1729–1799) |
| Gaston Bruno Paulin Paris (1839–1903) |
| Matthew Paris (1200–1259) |
| Andrew Park (1807–1863) |
| John Park (1804–1865) |
| Mungo Park (1771–1806) |
| Roswell Park (1807–1869) |
| Sir Gilbert Parker (1862–1932) |
| John Henry Parker (1806–1884) |
| Martin Parker (d. 1656?) |
| Theodore Parker (1810–1860) |
| Charles Henry Parkhurst (1842–1933) |
| Francis Parkman (1823–1893) |
| Parmenides (fl. early Fifth Century B.C.) |
| Thomas Parnell (1679–1718) |
| Évariste de Parny (1753–1814) |
| Dominique-Alexandre Parodi (1840–1901) |
| Samuel Parr (1747–1825) |
| Henry Parrot (fl. Seventeenth Century) |
| Eliza Parsons (c. 1811) |
| Frances Theodora Parsons (1861–1952) |
| George Frederic Parsons (1840–1893) |
| Gertrude Parsons (1812–1891) |
| Philip Parsons (1729–1812) |
| Thomas William Parsons (1819–1892) |
| William Parsons (d. 1807) |
| Parthenius (First Century B.C.) |
| James Parton (1822–1891) |
| John Partridge (fl. Sixteenth Century) |
| William Ordway Partridge (1861–1930) |
| Pietro Paulo Parzanese (1810–1852) |
| Blaise Pascal (1623–1662) |
| Giovanni Pascoli (1855–1912) |
| Ernst Pasqué (1821–1892) |
| Étienne Pasquier (1529–1615) |
| Anthony Pasquin (1761–1818) |
| Jean Passerat (1534–1602) |
| Walter Pater (1839–1894) |
| Marcus Velleius Paterculus (c. 19–c. 31) |
| William Romaine Paterson (1871–1942) |
| Coventry Patmore (1823–1896) |
| Peter George Patmore (1786–1855) |
| George Washington Patten (1808–1882) |
| Mark Pattison (1813–1884) |
| Jacob Harris Patton (1812–1903) |
| Paul the Deacon (c. 720–799?) |
