Colin Bailey may refer to:
Colin Bailey (drummer) (1934–2021), British-born American jazz drummer Colin Bailey (engineer) (born 1967), British structural engineer Drums of Death (musician), real name Colin Bailey, British electronic musician Colin Bailey (police officer) (born 1943), British constable Colin Bailey (mountain biker) (born 1979), American cyclist in the 1999 UCI Mountain Bike World Cup Colin B. Bailey (born 1955), British–American museum director Col Bailey (1937–2022), Australian naturalist and thylacine enthusiast