Shinnosuke Tachibana (立花 慎之介, Tachibana Shinnosuke, April 26, 1978) is a Japanese voice actor, singer, narrator and mystery writer from Gifu. 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.

立花慎之介，日本男性聲優，出身於岐阜縣。過去曾隸屬於 Production baobab，在2011年6月1日移籍於 AXL ONE，並於2018年3月31日離開，移籍到與福山潤一同創立的BLACK SHIP。在2017年1月1日與聲優高梁碧結婚。

声優、作家。1978年4月26日生まれ、岐阜県出身。A型。アニメ『DD北斗の拳』のケンシロウや、『イナズマイレブン』の立向居勇気、『東京喰種トーキョーグール』の滝澤政道など、人気作品の声を務める。漫画原作者 、作家としても活躍。

特技：パントマイム　日舞（深水流）

趣味：写真　釣り　自転車　パソコン　ゲーム