1970 - UFO 1 (Remaster '2008, Repertoire Records, REP 5107)
1971 - Flying: One Hour Space Rock (Remaster '2008, Repertoire Records, REP 5108)
1972 - Live (Remaster '2008, Repertoire Records, REP 5109)
1974 - Phenomenon (Remaster '2007, Chrysalis-EMI, CHRX 1059, 50999 5 04440 2 1)
1975 - Force It (Remaster '2007, Chrysalis-EMI, CHRX 1074, 50999 5 04441 2 0)
1976 - No Heavy Petting (Remaster '2007, Chrysalis-EMI, CHRX 1003, 50999 5 04442 2 9)
1977 - Lights Out (Remaster '2008, Chrysalis-EMI, CHRX 1127, 50999 2 14559 2 6)
1978 - Obsession (Remaster '2008, Chrysalis-EMI, CDLX 1182, 50999 2 14561 2 1)
1979 - Strangers In The Night (Remaster '2008, Chrysalis-EMI, CJTX 5, 50999 2 14565 2 7)
1980 - No Place To Run (Remaster '2009, Chrysalis-EMI, CHRX 1239, 50999 2 43374 2 7)
1981 - The Wild, The Willing And The Innocent (Remaster '2009, Chrysalis-EMI, CHRX 1307, 50999 2 43372 2 9)
1982 - Mechanix (Remaster '2009, Chrysalis-EMI, CHRX 1360, 50999 2 43373 2 8)
1983 - Making Contact (Remaster '2009, Chrysalis-EMI, CHRX 1402, 09463 2 1402 2 7)
1985 - Misdemeanor (Remaster '2009, Chrysalis-EMI, CHRX 1518, 09463 2 1518 2 7)
1988 - Ain't Misbehavin' (Metal Blade Records, 7 73404-2)
1992 - High Stakes & Dangerous Men (Castle Communications, ESSCD 178)
1993 - Lights Out In Tokyo - Live (Castle Communications, ESSCD 191)
1995 - Walk On Water (Re-issue '2004, Demon Music Group Ltd., MCCD544)
2000 - Covenant (Limited edition, Steamhammer, SPV 087-21892 2CD)
2002 - Sharks (Steamhammer, SPV 085-74312 CD)
2004 - You Are Here (Steamhammer, SPV 085-69582 CD)
2005 - Showtime (Steamhammer, SPV 99562 2CD)
2006 - The Monkey Puzzle (Steamhammer, SPV 97792 CD)
2009 - The Visitor (Limited edition, Steamhammer, SPV 306600 CD Ltd.)
2012 - Seven Deadly (Limited edition, Steamhammer, SPV 309250 CD Ltd.)
2015 - A Conspiracy Of Stars (Limited edition, Steamhammer, SPV 267740 CD)
2017 - The Salentino Cuts (Cleopatra Records, CL00644)
