Tatsuya may refer to:
- Tatsuya Suou, the protagonist of Persona 2: Innocent Sin, and major character in Persona 2: Eternal Punishment.
- Tatsuya Sudou, an antagonist who appears in both versions of Persona 2.
- "Tatsuya", the chat handle used by the Persona 3 protagonist for on online game, while he communicated with "Maya".
- Tatsuya, a minor, one-off character in Digital Devil Story 2: Warrior of the Demon City, who is brutally killed and absorbed by Seth.
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