| Photo | Name | PSGId | OOP Date | Sex | Descriptors |
|---|
 | Maizie | rudd-n000000421 | Unknown | Female | Mosaic: Ringtail, White face (33% Leucistic het) |
| Makiah | psg-n000000141 | 08-15-2013 | Female | Gray |
| Makoura | anito-a000000133 | 07-20-2004 | Male | Gray |
| Malcolm | mgwam-g000000116 | 12-30-2011 | Male | Gray: Black beauty (Creamino het) |
| Maleficent (flower) | unk-n000000649 | 05-02-2012 | Female | White Face, White Tip (33% Possible leucistic het) |
 | Mallie | psg-n000000762 | 02-27-2019 | Female | Gray |
| Mama | unk-u000000021 | Unknown | Female | Gray |
| Mama | unk-n000000204 | Unknown | Female | Gray |
| Mammy | unk-n000000091 | Unknown | Female | Gray |
| Manchester | psg-n000000142 | 11-01-2011 | Male | Gray, White face, (66% Possible leucistic het, 25% Possible platinum het) |
| Manny | unk-n000000610 | Unknown | Male | Gray |
| Maple | elilu-a000000127 | 07-05-2005 | Female | Gray (Leucistic het) |
| Marcell | unk-n000000927 | Unknown | Male | White face |
| Marco | aliwr-a000000211 | 02-04-2012 | Male | Gray: Black beauty (50% Possible leucistic het) |
| Marcus | unk-n000000637 | Unknown | Male | Red Series: Lion |
| Marcy | tpg-n000000756 | Unknown | Female | Gray (50% Possible leucistic het) |
| Margaret | psg-n000000030 | 07-25-2017 | Female | |
| Maria | psg-n000001055 | 08-06-2020 | Female | Gray (66% Possible het for lecuistic and/or platinum, 25% Possible het for creamino) |
| Marie | unk-n000000817 | Unknown | Female | Gray |
| Marie | sunc-n000000693 | Unknown | Female | Gray: Black beauty |
| Total number of listed sugar gliders: | 1424 |