- G70200 by Fanael (91 features)
- Gac by cromulant (142 features)
- Gadu Fav by Becca (17 features)
- Gammidge by Rebecca Ashling (51 features)
- Gan Dostau by Becca (46 features)
- Gan language by Hndl3ofD00r (0 features)
- Ganur Lon by Becca (125 features)
- Gavaro by Manuel Halvelik (140 features)
- Gavdorean by Franko Rossù (143 features)
- Géarthnuns by Douglas Koller (135 features)
- Gehui by Nortaneous (43 features)
- Gerchish by ekobor (41 features)
- Geulish by Dash Stevens (83 features)
- Gevey by Rik Roots (132 features)
- Ghaf by Corumayas (120 features)
- Ghasde by kilenc (21 features)
- Ghudaz by Enrique Gamez (133 features)
- Gilya by JayN (60 features)
- Gjeyejz-sjayajz by Becca (25 features)
- Globasa by Hector Ortega (24 features)
- Glosa by Lancelot Hogben, Ronald Clark and Wendy Ashby (101 features)
- Gnusyak [Ghnushak] by Udrihel (33 features)
- Gobish by markus031098 (3 features)
- Gogido by Logan Kearsley (127 features)
- Gokjak by arimaz (0 features)
- gombazi by k1234567890y (94 features)
- Gonjonic by Fringillus (47 features)
- Gothish by Jiketi (118 features)
- Gowayo by arimaz (0 features)
- Gr by Raluv (53 features)
- Gravgaln by A Walker Scott (67 features)
- Grayis by BenJamin P. Johnson (50 features)
- Gripping by Sai, Alex Fink (0 features)
- griuskant by Reyzadren (143 features)
- Grodisian by Puu41 (21 features)
- Groh-if by arimaz (2 features)
- Grru by Mwnsiain (17 features)
- GTBOT’s Conlang by Gabriel Tellez (36 features)
- Gua\spi by James F. Carter (0 features)
- Guezu by KippLeKipp (61 features)
- Guimin by Dillon Hartwig (143 features)
- Guzadinkya by Brv (79 features)
- Gwaxol by Dillon Hartwig (143 features)
- Gwongbholu by Qwynegold (50 features)
- gzb by Jim Henry (20 features)