- Ocarina - Self Titled
- Ocean - God's Clown
- Osmond Brothers - Greatest Hits
- Ottawan - Collection
- Ottawan
- Only Love (2009)
- Outlaw Blood - Outlaw Blood
- Olivia Newton-John - Back To Basics
- Olivia Newton-John - Christmas Wish
- Olivia Newton-John - The Rumour
- Olivia Newton-John Friends - A Celebration In Song
- Olivia Newton-John - Back With A Heart
- Olivia Newton-John - Great Hits
- Olivia Newton-John - Clearly Love
- Olivia Newton-John - Grace And Gratitude
- Olivia Newton-John - Olivia
- Olivia Newton-John - Olivia Newton-John
- Olivia Newton-John - Let Me Be There
- Ocarina - Self Titled
- Olivia Newton-John - Long Live Love
- Olivia Newton-John - Indigo - Women of Song
- Olivia Newton-John - 48 Original Tracks
- Olivia Newton-John - Come On Over
- Olivia Newton-John - 20th Century Masters (The Christmas Collection)
- Olivia Newton-John - Greatest Hits
- Olivia Newton-John - Greatest Hits Vol.02
- Olivia Newton-John - Tis The Season
- Olivia Newton-John - Soul Kiss
- Olivia Newton-John - Physical
- Orden Ogan - Easton Hope
- Orphaned Land - The Never Ending Way Of Orwarrior
- Oak Ridge Boys,The - Legendary Country Singers (Time Life)
- Ophelias Dream - All Beauty Is Sad
- Ophelias Dream - Not a Second Time (Russia)
- Ov Hell - The Underworld Regime 2010
- Opeth - Blackwater Park 2010
- Ozzy Osbourne - Scream (2010)
- OZZY OSBOURNE-Blizzard of Ozz 1980
- OZZY OSBOURNE - Diary of a madman 1981
- OZZY OSBOURNE - Speak of the devil 1982
- OZZY OSBOURNE - Bark At The Moon 1983
- OZZY OSBOURNE - The Ultimate Sin 1986
- OZZY OSBOURNE - Live Tribute To Ozzy - Randy Rhoads 1987
- OZZY OSBOURNE - No Rest For The Wicked 1988
- OZZY OSBOURNE - Just Say Ozzy 1989
- OZZY OSBOURNE - Live & loud 1993
- OZZY OSBOURNE - Ozzmosis 1995
- OZZY OSBOURNE - Down To Earth 2001
- OZZY OSBOURNE - Live At Budokan 2002
- OZZY OSBOURNE - The Essential 2003
- OZZY OSBOURNE - Original (Box Set) CD1 - Diary Of A Madman 2004
- OZZY OSBOURNE - Original (box Set) CD2 - Bark At The Moon 2004
- OZZY OSBOURNE - Original (box Set) CD3 - The Ultimate Sin 2004
- OZZY OSBOURNE - Under Cover 2005
- OZZY OSBOURNE - Black Rain 2007
- OFFSPRING -The Offspring 1989
- OFFSPRING -Ignition 1993
- OFFSPRING -Smash 1994
- OFFSPRING -Ixnay On The Hombre 1997
- OFFSPRING -Americana 1998
- OFFSPRING -Conspiracy Of One 2000
- OFFSPRING - Splinter 2004
- OFFSPRING -Rise And Fall, Rage And Grace 2008