Ken Takeuchi (武内 健 Takeuchi Ken?, born February 20, 1978) is a Japanese voice actor who works for Arts Vision.
Takeuchi learned voice acting at the Institute of Japan Narration Act. In 2000, he debuted as a main character in the video game Photogenic, and in 2003, he played one of the main characters, Ranmaru Miura, in Dear Boys (also known as Hoop Days).
Takeuchi is also known for his roles as Keita Suminoe in Kiss×Sis, and Lithuania in Hetalia: Axis Powers.
He voices Asahina Louis in the Brothers Conflict series, as well as performed the anime's ending theme "14 to 1".