Takeshi Obata (小畑 健, Obata Takeshi, born February 11, 1969) is a renowned Japanese manga artist who typically works as the illustrator in collaboration with a writer. He first gained international recognition for his work on Hikaru no Go (1999–2003) alongside Yumi Hotta. However, he is best known for his work on Death Note (2003–2006) and Bakuman (2008–2012) with writer Tsugumi Ohba.

Throughout his career, Obata has mentored several well-known manga artists, including Nobuhiro Watsuki, known for Rurouni Kenshin, Kentaro Yabuki, creator of Black Cat, and Yusuke Murata, artist of Eyeshield 21.