Henry Kaiser (born 19 September 1952, Oakland, California) is an American guitarist and composer.
Recording and performing prolifically in many styles of music, Kaiser is a fixture on the San Francisco Bay Area music scene. He is considered a member of the "first generation" of American free improvisers.
His grandfather was the industrialist Henry J. Kaiser. In 1978, Kaiser founded the Metalanguage Records label with Larry Ochs (Rova Saxophone Quartet) and Greg Goodman.