Jack Howard
Jack Howard may refer to:
- Jack Howard (ice hockey), Canadian ice hockey defenseman
- Jack Howard (cricketer), English cricketer
- Jack Howard (sprinter), Micronesian sprinter
- Jack Howard (runner), American middle-distance runner, 800 m All-American for the Notre Dame Fighting Irish track and field team
- Jack Howard (rugby union), Australian rugby union player
- Jack R. Howard, American broadcasting executive
- St George Henry Rathborne, who wrote under this pseudonym
- Jack Howard, a member of the musical group Hunters & Collectors