Noun hamilton has 6 senses
- Hamilton, William Rowan Hamilton, Sir William Rowan Hamilton - Irish mathematician (1806-1865)
--1 is a kind of mathematician
- Hamilton, Lady Emma Hamilton, Amy Lyon - English beauty who was the mistress of Admiral Nelson (1765-1815)
--2 is a kind of Lady, noblewoman, peeress
- Hamilton, Alice Hamilton - United States toxicologist known for her work on industrial poisons (1869-1970)
--3 is a kind of toxicologist
- Hamilton, Alexander Hamilton - United States statesman and leader of the Federalists; as the first Secretary of the Treasury he establish a federal bank; was mortally wounded in a duel with Aaron Burr (1755-1804)
--4 is a kind of statesman, solon, national leader
- Hamilton - a port city in southeastern Ontario at the western end of Lake Ontario
--5 is a kind of city, metropolis, urban center; port
--5 is a part of Ontario
- Hamilton - the capital of Bermuda
--6 is a kind of city, metropolis, urban center
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