David Kaff

David Kaff (born 17 April 1946) is a British musician and actor. He was a member of Rare Bird in the 1970s, credited as David Kaffinetti. In 1984, he played the part of keyboardist Viv Savage in the film This Is Spinal Tap.

Kaff was in the progressive rock group Rare Bird from 1969 to 1975. They released five studio albums between 1969 and 1974. In the UK, the organ-based single "Sympathy" reached number 27 in February 1970, selling an estimated one million globally. The band, formed in December 1969 by Kaff and Graham Field, were one of the first bands to sign to Charisma Records.

In 1984, he was cast to play Viv Savage, the keyboardist for the fictional rock band Spinal Tap, for their mockumentary This Is Spinal Tap.