Hamilton \ha-mil-ton, ham(i)-lton\ as a boy's name is pronounced HAM-ul-tun. It is of Old English origin, and the meaning of Hamilton is "flat-topped hill". May also possibly mean "home-lover's estate" or "hill with grass". Place name and surname of one of the great noble families in Scotland. American statesman Alexander Hamilton; figure skater Scott Hamilton.

Hamilton has 4 variant forms: Hamel, Hamelton, Hamil and Hamill.

A baby name that sounds like Hamilton is Hamlet.