Larry Klein (born 1959) is a music producer, songwriter and bass guitar player, commonly known for being the frequent musical collaborator, and ex-husband, of Joni Mitchell.
He began his musical career while still in his teens, as a session musician, playing bass guitar on a string of albums, most notably several by jazz trumpeter Freddie Hubbard.
Klein met Mitchell when he was hired as a bassist and sound engineer for her 1982 album Wild Things Run Fast. The two quickly became romantically attached, and were married in November 1982. He helped produce and write that album, as well as her next three; it was during the recording of the third one, Turbulent Indigo, in 1994, that their marriage broke apart. He has since produced others of her albums.
Since his work with Mitchell, Klein has tended to produce albums by female singer-songwriters.