Colby is a given name. Notable people with the name include:
Colby Armstrong (born 1982), ice hockey player
Colby Bockwoldt (born 1981), American football player in the NFL
Colby Buzzell (born 1976), soldier and journalist
Colbie Caillat (born 1985), American pop singer-songwriter
Colby Chandler (CEO), CEO of Eastman-Kodak
Colby Cohen (born 1989), American ice hockey player
Colby Cooper (born 1976), Assistant US Secretary of State
Colby Cosh (born 1971), journalist
Colby Donaldson (born 1974), actor
Colby O'Donis, singer
Colby French, actor
Colby Lewis (born 1979), baseball player
Colby Miller, VJ
Colby Paul, American child actor
Colby Rasmus (born 1986), baseball player
Colby Shea, guitarist
Colby Starck, drummer
Fictional characters:
Colby Granger, character from television series Numb3rs
Colby Chandler, character from the daytime soap opera, All My Children
