Harry Allen
Harry Allen may refer to:
Science
- Sir Harry Brookes Allen, Australian pathologist
- Harry W. Allen, American entomologist
- Harry Julian Allen, NASA engineer and administrator
Sports
- Harry Allen (footballer, born 1866), Wolverhampton Wanderers and England footballer
- Harry Allen (footballer, born 1879), English footballer for Derby County and Leicester Fosse
- Harry Allen (Australian footballer), Australian rules footballer
- Harry Allen (cricketer), English cricketer
- Harry Allen (golfer), American golfer
- Harry Allen (ice hockey), Canadian ice hockey player
- , 1903 US Open mixed doubles champion
- Harry Allen (bowls), Canadian lawn bowls international
Other
- Harry Allen (Ontario politician), provincial politician in Ontario, Canada
- Harry Allen (journalist), hip-hop journalist, activist, and associate of Public Enemy
- Harry Allen (musician), jazz tenor saxophonist
- Harry Cranbrook Allen, British historian
- Harry Epworth Allen, British painter
- Harry Allen (actor), Australian actor in California Straight Ahead!
- Harry Allen (executioner), hangman, one of the last British executioners
- Harry Allen (designer), American industrial and interior designer
- Harry Allen (trans man), pioneer period Pacific Northwest transgender man
- Harry K. Allen, Kansas State Senator, Dean of Washburn University School of Law and a Justice of the Kansas Supreme Court