EP's List
| Artist | Title | | Label | Year | Country | QR | QC | Comments | $ |
| | | | | |
| O'DOWD, BARRY | Sing It Again Barry +3 | | PLANET REC. | 1956 | AUS | VG+ | M- | Original Release | 15.00 |
| OHIO EXPRESS | Chewy Chewy +3 | | BUDDHA | 1982 | AUS | M- | M | 80's EP | 25.00 |
| O'KEFFE, JOHNNY | I'm Counting On You +3 | | LEEDON | 1963 | AUS | G+ | PCC | Original Aussie Only EP Release, Photocoloured Copy Sleeve | 18.00 |
| O'KEFFE, JOHNNY | She Wears My Ring +3 | | LEEDON | 1964 | AUS | G | EX | Original Aussie Only EP Release | 18.00 |
| O'SULLIVAN, GILBERT | Alone Again (Naturally) +3 | | MAM | 1971 | AUS | EX | EX | Original Aussie Only EP Release, WOC | 28.00 |
