Osao Chosei Funahara (born December 10, 1953) is a musician and film director and producer.

Born in Hyōgo Prefecture of Japan, Chosei Funahara was educated in both the United States and Japan.

He received his Bachelor of Fine Arts at the Nihon University College of Art's Cinema Department in Tokyo.

While pursuing New York University's NYU Graduate School of Arts and Science (Cinema Studies), he performed as bassist and founding member of the cult punk rock group the Plasmatics.

In addition to these feature film credits, Chosei Funahara has produced or directed more than sixty short films, documentaries and numerous TV commercials in Japan, the United States and Europe.