Branagan is a surname. Notable people with the surname include:
Carolyn Whitney Branagan (born 1954), American politician Keith Branagan (born 1966), English-born Republic of Ireland footballer Ken Branagan (1930–2008), English footballer Ritchie Peter Branagan (born 1991), English-born Republic of Ireland footballer Jim Branagan (born 1955), English footballer
See also Brannigan (disambiguation)