KPST may refer to: KPST, an early call sign for the Idaho radio station KACH KPST, a call sign used 2009–2010 for KFFV, a TV station from Seattle, Washington KPST-TV, a call sign used 1986–2002 for KFSF-DT, a TV station from California KPST-FM, a radio station from California Katy Perry's Sweet Treats, a stuff pack for The Sims 3 video game