A
- Amos Abbott (1786–1868), American Congressman
- Alan Abbott (born 1926), English cricketer
- Anderson Ruffin Abbott (1837–1913), Canadian physician
- Anne Abbott (1808–1908), American designer and writer
- Anthony Abbott (born 1930), former Canadian politician
- Aubrey Abbott (1886–1975), Australian politician
- Augustus Abbott (1804–1867) British army officer
- Austin Abbott (1831–1896), American lawyer and academic
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