Takaaki is a masculine Japanese given name. Notable people with the name include:
- Takaaki Ishibashi (, born 1961) Japanese comedy artist, singer and actor
- Takaaki Kajita (, born 1959) Japanese physicist, Nobel laureate
- , Japanese ice hockey player
- Katō Takaaki (, 1860–1926) politician, 24th Prime Minister of Japan
- Takaaki Nakagami (, born 1992) Japanese motorcycle racer
- Takaaki Suzuki (, born 1981) Japanese football player
- Takaaki Tamura (), Japanese politician
- Takaaki Tokushige (, born 1975) Japanese football player
- Takaaki Watanabe, () pro wrestler, member of New Japan Pro Wrestling
- Takaaki Yoshimoto (, 1924–2012) also known as Ryūmei Yoshimoto, Japanese poet, literary critic, and philosopher