| Photo | Name | PSGId | OOP Date | Sex | Descriptors |
|---|
 | Humperdink | brita-a000000103 | 04-01-2004 | Male | Gray (Albino het) |
| Huxley | unk-n000000903 | 07-01-2015 | Male | Mosaic: Reverse stripe (Creamino het, Low possible albino het, low possible platinum het, low possible leucistic het) |
| Hydie | mlg-g000000120 | Unknown | Female | Gray |
| Igor | psg-n000000119 | 02-26-2018 | Male | Gray |
| Ilene | unk-n000000392 | Unknown | Female | Gray |
| India | unk-n000000277 | Unknown | Female | White face (White tip het) |
| Indy | unk-n000000182 | Unknown | Male | Caramel ~Imported from Merauke, Indonesia~ |
| Infinity | tpg-n000000293 | 10-04-2004 | Female | Red series (Lion) |
| Iradessa | unk-n000000179 | Unknown | Female | Caramel |
| Irelle | psg-n000000163 | 05-15-2010 | Female | Gray, White face (Creamino het) |
| Irene | ffr-a000000176 | Unknown | Female | Gray (Possible creamino het) |
| Iris | unk-n000000242 | Unknown | Female | Gray |
| Iris | tpg-n000000546 | 12-28-2011 | Female | Gray (66% Albino het, Creamino het) |
| Iris | unk-n000000305 | Unknown | Male | Gray ~Notes: Information from To & Fro Glider |
| Iris | unk-n000000455 | Unknown | Female | White face |
| Iris | ffr-a000000178 | Unknown | Female | Gray ~Notes: Garnet eyes~ |
| Isabella | ffr-a000000119 | Unknown | Female | White face |
| Isla | psg-n000001051 | 07-17-2020 | Female | Gray (Leucistic het, 50% Possible creamino het) |
| Ivory | clc-a000000203 | 04-27-2008 | Female | Leucistic |
| Ivory | anito-a000000044 | 03-16-2008 | Female | Leucistic |
| Total number of listed sugar gliders: | 1424 |