Michael David Watt (born December 20, 1957) is an American bassist, vocalist and songwriter.
Watt co-founded and played bass guitar for the rock bands Minutemen, Dos, and Firehose. He is also the frontman for the supergroup Big Walnuts Yonder, a member of the art rock group Banyan and is involved with several other musical projects. From 2003 until 2013, he was the bass guitarist for The Stooges.
Watt has been called "one of the greatest bassists on the planet." CMJ New Music called Watt a "seminal post-punk bass player." Readers of NME voted Mike Watt one of the "40 Greatest Bassists of All Time" and LA Weekly awarded him the number six spot in "The 20 Best Bassists of All Time."
In November 2008, Watt received the Bass Player Magazine lifetime achievement award, presented by Flea.