| Photo | Name | PSGId | OOP Date | Sex | Descriptors |
|---|
 | Meenie | unk-n000000900 | Unknown | Female | Gray |
| Mei Ling | mlg-g000000026 | 08-20-2006 | Female | Leucistic |
| Melina | stela-a000000098 | Unknown | Female | White face |
| Mellow | gbg-a000000209 | 01-07-2012 | Male | Albino (50% Possible Creamino het, 50% Possible leucistic het, 50% Possible platinum het) |
| Melody | tpg-n000000917 | Unknown | Female | Red/Brown Series |
| Melon | unk-n000000554 | Unknown | Female | Gray |
| Mercedes | jolgl-g000000102 | Unknown | Female | White face (Albino het) |
| Meringue | ffr-a000000244 | 09-23-2007 | Male | Creamino |
| Merlin | anito-a000000082 | Unknown | Male | White face |
| Merry Noel | ffr-a000000197 | Unknown | Female | Gray |
| Mia Sinclaire Kdw | smc-n000000570 | 12-25-2016 | Female | Mosaic |
| Mick | ffr-a000000132 | Unknown | Male | Gray (Creamino het) ~Notes: New line out of general population, background unknown.~ |
| Mickey | unk-n000000174 | 10-00-2001 | Male | Gray (Leucistic het) |
| Mickey and Minnie's Mother | unk-n000000205 | Unknown | Female | Gray |
| Miley | unk-n000000675 | Unknown | Female | Gray |
| Milky | tfp-n000000851 | 06-24-2008 | Female | Creamino |
| Milky Way | tofro-n000000418 | 05-02-2006 | Male | Leucistic |
| Milo | unk-n000000737 | Unknown | Male | Gray: Black beauty (Leucistic het) |
| Milo | unk-n000000996 | Unknown | Male | Gray (Leucistic het) |
| Milton | psg-n000001054 | 08-06-2020 | Male | Gray (66% Possible het for lecuistic and/or platinum, 25% Possible het for creamino) |
| Total number of listed sugar gliders: | 1424 |