James Katsuyuki Taenaka (妙中克之 Taenaka Katsuyuki; born November 27, 1964), better known as Jimmy T, is a Singapore-based American film and television actor. He starred opposite the late Brandon Lee in Showdown in Little Tokyo (1991) as well as David Carradine and Daryl Hannah in Kung Fu Killer (2008).

Taenaka was born in Fort Ord, California and raised in Monterey, California. His parents had immigrated from Osaka, Japan. He attended Monterey High School in Monterey, California. Taenaka was a USA Junior National Judo Champion, and represented California at USA Junior National Wrestling Championships.

Taenaka appears on television and film both in Asia and the United States. In Singapore, he starred in the epic World War II television drama A War Diary about the Japanese occupation of Singapore, where he also received a nomination at the Asian Television Awards in 2002 for Best Drama Performance by an Actor.

Taenaka is married to Lim Li Li. He is also involved as the VP and coach of the Wrestling Federation of Singapore.