Ohrenfeindt - Auf die Ohren!!!

Onslaught - Killing Peace

On The Rise - Dream Zone

Orden Ogan - Vale

Orden Ogan - Easton Hope

Ozzy Osbourne - Scream

Outloud - We’ll Rock You To Hell And Back Again!

Overkill - Ironbound

Overland - Diamond Dealer

Overtures - Beyond The Waterfall

Ov Hell - The Underworld Regime