Lohan is a surname. Notable people with the surname include:
Ali Lohan (born 1993), American fashion model and former television personality, singer and actressBrian Lohan (born 1971), Irish sportsmanDina Lohan (born 1962), television personality and occasional actressFrank Lohan (born 1974), Irish sportspersonLindsay Lohan (born 1986), American actress, pop singer and modelMichael Lohan (born 1960), ex-husband of Dina Lohan and the father of Lindsay, Michael Lohan Jr., Ali, and Cody LohanMichael Lohan Jr. (born 1987), former television personality and son of Dina Lohan and Michael LohanNeddy Lohan (died 1820), Irish captain of the WhiteboysSinéad Lohan, Irish singer and songwriter of folk music and folk-inspired popular music