One Common Voice - Freedom Not Fascism 7"EP (East Bay Menace Records)
One Shall Stand - Forever Standing CD
One Step Closer - This Place You Know LP (lim. Violet Glitter)
One Step Forward - Positive Thinking 7"EP (lim. yellow)
One Voice - Break Free LP (black)
One Voice - Not everybody´s cup of tea LP (lim. 200, clear-yellow-red)
One Voice - Skinhead for a Day 7"EP (verschiedene Farben)
One Way System - One Way System LP
Only Attitude Counts - Disobediene 7"EP (black)
Only Attitude Counts - Return The Favour CD
Only Living Witness - Prone Mortal Form Digi-CD (Century Media / 1993)
Oppressed, the – 1981/4 - Fatal Blow 7"EP (black)
OPPRESSED, The - OI OI MUSIC LP (lim. 300, red)
Oppressed, the - Victims / Work Together 7"EP (black)
Oppressed, the / Impact - Strength The Unity! 2x7"EPs Gatefolder (DSS Records)
Originators, the – The Originators 12"EP (lim. 300, black)
Orreaga 778 - Bide Bakarra LP (black)
Orreaga 778 / Grebol - Split-LP (black)
Östro 430 - Keine Krise kann mich schocken 2LPs
Östro 430 - Punkrock nach Hausfrauenart LP
