| NAME | LEVEL | TYPE | GROUP |
| Gabumon | Rookie | Data/Virus | Reptile |
| Gallentmon | Mega | ||
| Garbagemon | Ultimate | Virus | Mutant |
| Gardromon | Champion | Virus | Machine |
| Gargomon | Champion | Vaccine | Animal |
| Gargoylemon | Armour | Virus | |
| Garudamon | Ultimate | Vaccine | Bird |
| Garurumon | Champion | Vaccine/Virus | Animal |
| Gatomon | Champion | Vaccine | Animal |
| Gaultmon | |||
| Gazimon | Rookie | Virus | Mammal |
| Gearmon | Rookie | Virus | Machine |
| Gekomon | Champion | Virus | Amphibian |
| Generamon | Ultimate | ||
| Geremon | Champion | Virus | Mollusk |
| Gesomon | Champion | Virus | Mollusk |
| Ghoulmon | Mega | Virus/Data | |
| Gigadramon | Ultimate | Virus | Android |
| Giromon | Ultimate | Vaccine | Machine |
| Gizamon | Rookie | Data | Sea Animal |
| Goatmon | Armour | ||
| Goburimon | Rookie | Virus | Evil |
| Goldramon | Mega | Vaccine | Holy Dragon |
| Golemon | Champion | Virus | Rock |
| Gomamon | Rookie | Vaccine | Sea Animal |
| Gorillamon | Champion | Data | Animal |
| Gotsumon | Rookie | Data | Rock |
| GrandKuwagamon | Mega | ||
| Greymon | Champion | Vaccine/Virus | Dinosaur |
| Growlmon | Champion | ||
| Gryphonmon | Mega | Data | Mythical Animal |
| Guilmon | Rookie | Virus | |
| Gummymon | In-Training | None | Micro |
| Gururumon | Champion | Vaccine | Champion |