Hamby is a surname. Notable people with the surname include:
Anthony Freskyn Charles Hamby Chaplin, 3rd Viscount Chaplin (1906–1981), amateur zoologist and musicianBarbara Hamby (born 1952), American poet, fiction writer, editor and criticJeannette Hamby (born 1933), American politician and nurseJessica Hamby, fictional character in the True Blood seriesJim Hamby (1897–1991), American baseball playerPriscilla Hamby (born 1982), American illustrator and comic book artist