Kenneth Keith Downing Jr. (born 27 October 1951) is an English musician. He is a former guitarist of heavy metal band Judas Priest.

Downing, along with former Judas Priest members Tim "Ripper" Owens and Les Binks, former Megadeth bassist David Ellefson and Hostile guitarist A.J. Mills performed a special one-off show in Wolverhampton on 3 November 2019 and played a full set of Judas Priest songs.

In January 2020, Downing signed with Explorer1 Music Group, which would pair him with veteran manager Andy Gould, and announced that he would work on brand-new music. The following month, it was announced that Downing had formed a new band, KK''s Priest, with bassist Tony Newton, guitarist A.J. Mills, and former Judas Priest members Tim "Ripper" Owens and Les Binks on vocals and drums, respectively. The band''s debut album ''Sermons of the Sinner'' was released on 1 October 2021