Frederick Fiske Warren was an American tennis player, businessman, developer, and Georgist reformer. He was a major supporter of Henry George's single tax system and created several experimental single-tax communities. He also worked to secure independence for the Philippines, following the Spanish–American War. Warren was the United States amateur tennis champion of 1891 and 1893.
- Occupation
- art collector, tennis player
- Citizenship
- United States
- Born
- 1862, July 3, 1862
- Died
- 1938
