Kolby is a given name. Notable people with the given name include:
Kolby Allard (born 1997), American baseball player Kolby Carlile (born 1997), American Flat Track racer Kolby Koloff (born 1996), American musician Kolby LaCrone (born 1986), American soccer player Kolby Listenbee (born 1994), American football player Kolby Smith (born 1984), American football player
See also Kolby (surname)