Shinnosuke Tachibana (立花 慎之介, Tachibana Shinnosuke) is a Japanese voice actor, singer and narrator. He is married to voice actress Ao Takahashi.
Tachibana graduated from Aojijuku Tokyo School 18th term. In 2003, he made his voice acting debut as Kyuu in the television anime E's Otherwise. He was affiliated with Production Baobab until May 2011. He joined Axlone since June of the same year.
On January 5, 2017, a blog reported that Tachibana had married Ao Takahashi.
In 2018, Tachibana left Axlone and co-founded the BLACK SHIP agency with fellow voice actor Jun Fukuyama.