Jemimah Puddleduck was an American rock band led by Bob Weir & RatDog lead guitarist Mark Karan.

In addition to Karan the band also included Billy Lee Lewis on drums, Bob Gross or Robin Sylvester on bass and John "JT" Thomas or Mookie Siegel on keyboards.

The band was formed in 1999 by Karan, drummer John Molo (Bruce Hornsby, Phil Lesh & Friends), bassist Bob Gross (Albert King) and keyboardist Arlan Schierbaum (Richie Kotzen).

Schierbaum was replaced by John "JT" Thomas and the full band played on several songs on Mark Karan's debut solo album, Walk Through the Fire.

[1] In 2009 John Molo was replaced on drums by Wally Ingram due to scheduling conflicts with Moonalice.