| Photo | Name | PSGId | OOP Date | Sex | Descriptors |
|---|
 | Onyx | tpg-n000000870 | 07-31-2008 | Male | Gray: Black beauty |
| Oodle | psg-n000000767 | 03-17-2019 | Female | Gray (Black face black beauty lines) |
| Opal | ffr-a000000112 | 03-28-2008 | Female | White face (Platinum het, Creamino het) |
| Ophelia | tofro-n000000665 | 10-30-2004 | Female | Gray (Leucistic het) |
| Ophelia Ll | smc-n000000574 | 10-27-2015 | Female | Mosaic piebald |
 | Ora | psg-n000000107 | 04-01-2018 | Female | Gray |
| Oriana | psg-n000001065 | 08-15-2020 | Female | Gray (Lion lines, White tip lines, 25% Possible creamino het, Low possible leucistic and/or platinum het) |
| Orion | unk-n000000192 | Unknown | Male | Gray |
| Oscar | unk-n000000203 | Unknown | Male | Gray |
| Oscar | unk-n000000467 | Unknown | Male | White face |
| Otto | sse-n000000809 | Unknown | Male | Caramel ~Notes: Wild Caught~ |
| Owen | psg-n000001066 | 08-15-2020 | Male | Gray (Lion lines, White tip lines, 25% Possible creamino het, Low possible leucistic and/or platinum het) |
| Paarthurnax (fergus) | tgpr-n000000702 | Unknown | Male | Gray |
 | Page | unk-n000000177 | 10-20-2002 | Female | Red series: Red |
| Pagota | mlg-g000000119 | Unknown | Male | gray |
| Pai | tofro-n000000389 | 07-20-2005 | Male | Gray (Leucistic het) |
| Paige | sse-n000000054 | Unknown | Female | Gray, White tip |
| Pan | tpg-n000000212 | Unknown | Male | Gray |
| Paola | psg-n000000285 | 06-01-2018 | Female | Gray (Creamino het) |
| Pappy | unk-n000000090 | Unknown | Male | Red/Brown Series (Lion) |
| Total number of listed sugar gliders: | 1424 |