Per Jonas Wiberg[1] (born 8 June 1968) is a Swedish musician who has been a member of the bands Spiritual Beggars (1998-) as a keyboardist, King Hobo (2007-) as a keyboardist, guitarist, and vocalist, and Kamchatka (2015-) as a bassist and vocalist, his solo band, Per Wiberg (2019-), and Switchblade (2020-) as a Bassist.

Before joining Spiritual Beggars, Wiberg was a member of Death Organ, a band based in Borlänge.

It was announced on 6 April 2011 that Wiberg was leaving Opeth as part of a mutual decision between him and the other band members.

In 2007, Wiberg collaborated on a project called King Hobo with Clutch drummer Jean-Paul Gaster and Kamchatka guitarist Thomas Andersson.

[10][11] Per Wiberg uses Nord & Mellotron keyboards, EBS & Blackstar amps, and Fender & Gibson guitars and basses.