Lohan is a surname. Notable people with the surname include:
Ali Lohan (born 1993), American fashion model and former television personality, singer and actress
Brian Lohan (born 1971), Irish sportsman
Dina Lohan (born 1962), television personality and occasional actress
Frank Lohan (born 1974), Irish sportsperson
Lindsay Lohan (born 1986), American actress, pop singer and model
Michael Lohan (born 1960), ex-husband of Dina Lohan and the father of Lindsay, Michael Lohan Jr., Ali, and Cody Lohan
Michael Lohan Jr. (born 1987), former television personality and son of Dina Lohan and Michael Lohan
Neddy Lohan (died 1820), Irish captain of the Whiteboys
Sinéad Lohan, Irish singer and songwriter of folk music and folk-inspired popular music
