Tetsuya Iwanaga
actor
- Gender: Male
- Birthday: 1970-06-24 ( 54 years old )
- Place of Birth: Kichijoji, Musashino, Tokyo, Japan
- Also Known As: 岩永哲哉
- IMDB:nm0412561
Tetsuya Iwanaga (岩永 哲哉, Iwanaga Tetsuya, June 24, 1970) is a Japanese voice actor from Musashino City, Tokyo. He is attached to Plandas, and previously was affiliated with Mediarte Entertainment Works, Arts Vision and Max Mix.