Harry Baker Slater
- War: World War II
- Branch: US Air Force
- Dates of Service: 1943 - 1945
- Unit: 8th Air Force, Duxford, England
- Location of Service: Cambridgeshire England; Dayton OH, Arizona, California, Florida, Midwest United States (USA);
- Highest Rank: 1st Lieutenant
- Awards: Purple Heart, Distinguished Flying Cross, Air Medal
- Birth Year: 1922
- Place of Birth: Erlanger, Kentucky