Jack T. Perciful (November 26, 1925, Moscow, Idaho – March 13, 2008, Olympia, Washington) was an American jazz pianist.
Perciful learned piano from an early age; his mother was a pianist who played in silent movie houses.
After enlisting in the United States Army, he was stationed in Japan, where he played in a military band during 1945-1946.
Following his tour of duty, he enrolled at the University of Idaho, obtaining his bachelor's in 1951; following this he played with local ensembles in Los Angeles and Las Vegas.
Other associations include work with Charlie Barnet, Corky Corcoran, and Red Kelly.