Takeaki Daimon
- Title: Takeaki Daimon
- Popularity: 0.001
- Known For: Writing
- Birthday: 1974-09-25
- Place of Birth: Ise, Mie, Japan
- Homepage: https://www.ryukoku.ac.jp/about/pr/publications/68/20_hito01/index.htm
- Also Known As: 大門 剛明, だいもん たけあき, 大谷 剛史, Takeshi Ootani, Ootani Takeshi, Daimon Takeaki, Takeshi Ōtani, Ōtani Takeshi, Takeshi Ohtani, Ohtani Takeshi