Jack Howell

Jack Howell may refer to:

• Jack Howell (baseball) (born 1961), former Major League Baseball third baseman
• Jack Howell (footballer) (1924–1994), Australian rules footballer
• Jack Howell (physician) (1926–2015), British physician
• Jack Howell (swimmer) (1899–1967), American Olympic swimmer
• Jack P. Howell (1895–1971), Australian rules footballer
• Jack Howell (triathlete) (born 2004), Australian para-triathlete