Authors
- Gaboriau, Émile
- Gardner, John
- Gardner, Erle Stanley
- Garfield, Brian
- Gault, William Campbell
- George, Kathleen
- George, Elizabeth
- Gifford, Thomas (also known as: Dana Clarins, Thomas Maxwell)
- Goldsborough, Robert
- Gorman, Ed
- Goulart, Ron
- Grady, James
- Green, Anna Katharine
- Greenleaf, Stephen
- Greer, Robert
- Gruber, Frank