| Photo | Name | PSGId | OOP Date | Sex | Descriptors |
|---|
 | Marla | tpg-n000000989 | Unknown | Female | Mosaic: Ringtail |
| Marley | gbg-a000000014 | 09-00-2013 | Male | Gray, White tip |
| Marley | tofro-n000000666 | 09-13-2007 | Female | Leucistic |
| Marley | ffr-a000000118 | Unknown | Male | Gray |
| Marnie | unk-n000000458 | Unknown | Female | White face |
| Mars | ffr-a000000066 | Unknown | Male | Gray (Creamino het) ~Notes: Produced the first creamino gliders~ |
| Marsh | lajor-g000000083 | 12-03-2013 | Female | Gray (50% Possible creamino het, Albino het, 25% Possible leucistic het, 33% Possible platinum het) |
| Marsha | ffr-a000000226 | Unknown | Female | Mosaic (Creamino het) |
| Marta | unk-n000000636 | Unknown | Female | Red Series |
| Martha | ffr-a000000227 | Unknown | Female | Creamino |
| Marty | psg-n000000033 | 02-19-2017 | Male | Gray, White tip het |
| Matt | tpg-n000000778 | 11-00-2003 | Male | Red/Brown Series: Lion |
| Matthew | unk-n000000158 | Unknown | Male | Red Series: Lion ~Unverified: Breeder |
| Maya | mlg-g000000020 | 12-24-2005 | Female | Gray (50%-66% Possible leucistic het) |
| Maya | unk-n000000181 | Unknown | Female | Caramel ~Imported from Merauke, Indonesia~ |
| Mazikeen | psg-n000000951 | 11-11-2018 | Female | Gray (Low possible leucistic het) |
| Mccaulie | rebmc-n000000986 | Unknown | Male | White face |
| Meadowlark | tpg-n000000585 | 08-22-2009 | Female | White tip |
| Mechache | tofro-n000000940 | 10-01-2002 | Male | Red/Brown Series (50% Possible platinum het, White tip het) |
| Medusa | unk-n000000351 | Unknown | Female | Gray (Leucistic het) |
| Total number of listed sugar gliders: | 1424 |