Shinnosuke Tachibana (立花 慎之介, Tachibana Shinnosuke, April 26, 1978) is a Japanese voice actor, singer, narrator and mystery writer from Gifu City, Gifu Prefecture. He is married to voice actress Ao Takahashi and is the CEO of Black Ship.

After gratudating from Aoni Juku Tokyo School 18th term he joined Production Baobab. In 2003, he made his voice actor debut as Kyo in the TV anime E’s Otherwise. He belonged to Production Baobab until May 2011. In June of the same year he joined Axl One. On January 5, 2017, he reported his marriage to Ao Takahashi on his blog. On March 31, 2018, he left Axl One to establish, together with Jun Fukuyama, their own agency: Black Ship.