O.C Supertones (the)
"Chase the sun" BEC Records

Ok Go
"Oh no5" Capitol Records

Old Man Gloom
"Meditations in B" "Seminar II" "Seminar III" Tortuga Records

Omaha
"Non-par mystifications and self extrications" Doghouse Records

One AM Radio (the)
"A Name Writ in Water" Level Plane Records

One Man Army
"BYO Split Vol.5" BYO Records

OS101
"United brotherhood of scenesters" Victory Records

Owen
"s/t" Polyvinyl Records
"No good for no one now" Polyvinyl Records

Oxbow
"Serenade in red" SST Records

Oxes
"Oxxes" Monitor Records