Kingfish is an American rock band led by Matthew Kelly, a musician, singer, and songwriter who plays guitar and harmonica.

Kelly co-founded Kingfish in 1973 with New Riders of the Purple Sage bass player Dave Torbert and fellow San Francisco Bay Area musicians Robbie Hoddinott (lead guitar), Chris Herold (drums), and Mick Ward (keyboards).

[1][2][3] In 1974, Kingfish became more well known, and signed their first record contract, after Grateful Dead guitarist and singer Bob Weir, a long-time friend of Kelly's, joined the band.

When the Dead started touring again in 1976, Weir left Kingfish, along with Hoddinott and Herold, who were then replaced by Michael O'Neill (lead guitar) and David Perper (drums).

They played a notable show on the Piute Reservation at Pyramid Lake, Nevada, on September 7, 1986, joined by Weir (with his arm in a sling) and John Cipollina.