Atsushi Itō (伊藤 淳史, Itō Atsushi, born November 25, 1983) is a Japanese actor, He started acting at the age of three in education programs. He is currently studying at Hosei University Business Faculty. He is frequently cast as geeky or otaku characters. Itō was the older brother of the actor and voice actor Takahiro Itō, who commited suicide in 2009.
On the 46th Television Drama Academy Awards he won Best Supporting Actor for Densha Otoko.