| Samuel Hopkins Adams | 1871–1958 | 7 |
| Sherred Willcox Adams | 1872–1960 | 2 |
| St. Clair Adams | 1883–1967 | 1 |
| W. H. Davenport (William Henry Davenport) Adams | 1828–1891 | 1 |
| Jane Addams | 1860–1935 | 4 |
| Joseph Addison | 1672–1719 | 10 |
| Julia de Wolf Addison | 1866–1952 | 1 |
| Percy Addleshaw | 1866–1916 | 2 |
| George Ade | 1866–1944 | 7 |
| Walter F. (Walter Frederic) Adeney | 1849–1920 | 1 |
| W. Bion (Walter Bion) Adkins | 1858–1925 | 1 |
| Felix Adler | 1851–1933 | 1 |
| Marcus Nathan Adler | 1837–1911 | 1 |
| Adye, John, Sir | 1819–1900 | 1 |
| Effie Afton | 1829–1887 | 1 |
| Elizabeth Cabot Cary Agassiz | 1822–1907 | 1 |
| Louis Agassiz | 1807–1873 | 1 |
| Alva Agee | 1858–1943 | 2 |
| John C. (John Curtis) Ager | 1835–1913 | 2 |
| Émile Agnel | 1810–1882 | 1 |
| Alfhild Agrell | 1849–1923 | 1 |
| Grace Aguilar | 1816–1847 | 4 |
| Emilio Aguinaldo | 1869–1964 | 2 |
| Ferdinand Ahlman | 1836–1895 | 1 |
| August Ahlqvist | 1826–1889 | 1 |
| Juhani Aho | 1861–1921 | 25 |
| Jacob Ahrenberg | 1847–1914 | 1 |
| Jean Aicard | 1848–1921 | 2 |
| Conrad Aiken | 1889–1973 | 2 |
| Lucy Aikin | 1781–1864 | 4 |
| William Aikman | 1824–1909 | 1 |
| Gustave Aimard | 1818–1883 | 2 |
| Walter Aimwell | 1822–1859 | 1 |
| Alfred Ainger | 1837–1904 | 1 |
| Douglas Ainslie | 1865–1948 | 1 |
| Percy C. (Percy Clough) Ainsworth | 1873–1909 | 1 |
| Ainsworth, Ralph Bignell, Sir | 1875–1952 | 1 |
| William Harrison Ainsworth | 1805–1882 | 7 |
| George Biddell Airy | 1801–1892 | 1 |
| Wilfrid Airy | 1836–1925 | 1 |
| Edward Hamilton Aitken | 1851–1909 | 2 |
| George Atherton Aitken | 1860–1917 | 2 |
| Mark Akenside | 1721–1770 | 1 |
| Florence Akin | 1878–1962 | 1 |
| Ryūnosuke Akutagawa | 1892–1927 | 1 |
| Alain-Fournier | 1886–1914 | 1 |
| Pedro Antonio de Alarcón | 1833–1891 | 4 |
| Leopoldo Alas | 1852–1901 | 2 |
| John Albee | 1833–1915 | 1 |
| António José da Costa Couto Sá de Albergaria | 1850–1921 | 1 |
| Virginia Albert | 1881–1967 | 1 |
| Karl Alberti | 1868–1930 | 1 |
| Catherine Albertson | 1868–1954 | 1 |
| Medeiros e Albuquerque | 1867–1934 | 1 |
| Louisa May Alcott | 1832–1888 | 28 |
| William A. (William Andrus) Alcott | 1798–1859 | 3 |
| Henry Mills Alden | 1836–1919 | 3 |
| Raymond MacDonald Alden | 1873–1924 | 1 |
| Cecil Aldin | 1870–1935 | 1 |
| Anne Reeve Aldrich | 1866–1892 | 1 |
| Mildred Aldrich | 1853–1928 | 3 |
| Richard Aldrich | 1863–1937 | 1 |
| Thomas Bailey Aldrich | 1836–1907 | 18 |
| Mrs. (Ethel) Alec-Tweedie | 1862–1940 | 1 |
| Sibilla Aleramo | 1876–1960 | 1 |
| Archibald B. D. (Archibald Browning Drysdale) Alexander | 1855–1931 | 1 |
| Charles Wesley Alexander | 1837–1927 | 1 |
| De Alva Stanwood Alexander | 1845–1925 | 1 |
| Elizabeth (Elizabeth Alexander Heermann) Alexander | 1894–1976 | 1 |
| Georgia Alexander | 1868–1928 | 1 |
| John L. Alexander | 1878–1932 | 1 |
| Mrs. Alexander | 1825–1902 | 1 |
| Vittorio Alfieri | 1749–1803 | 1 |
| Alford, Marianne Margaret Compton Cust, Viscountess | 1817–1888 | 1 |
| Abby Langdon Alger | 1850–1917 | 1 |
| Alger, Horatio, Jr. | 1832–1899 | 53 |
| William Rounseville Alger | 1822–1905 | 2 |
| Abdullah Yusuf Ali | 1872–1952 | 1 |
| Henry Thomas Alken | 1784–1851 | 1 |
| Santeri Alkio | 1862–1930 | 3 |