Howorth is a surname of English origin. The name may refer to:
Dick Howorth (1909–1980), English cricket player
Henry Howorth (disambiguation), several people
Jolyon Howorth (born 1945), British scholar of European politics
Kenneth Howorth (1932–1981), British police officer killed by an IRA bomb
Lucy Somerville Howorth (1895–1997), American lawyer, feminist and politician
Tony Howorth (born 1938), English retired cricketer