Skip to main content - Gregory, Susanna 1958- [A pseudonym] (Simon Beaufort, a joint pseudonym, Elizabeth Cruwys, The Medieval Murderers, a joint pseudonym)
- Gregory, Valiska 1940-
- Gregson, J.M.
- Gregson, J.M. 1934- (James Michael Gregson)
- Greider, William (Harold) 1936-
- Greif, Jean-Jacques 1944-
- Greif, Karen F. 1952- (Karen Faye Greif)
- Grell, Ole Peter
- Grelsamer, Ronald P. 1953-
- Gremillion, Helen 1965–
- Grenfell, Michael J. 1953-
- Grenholm, Cristina
- Grenier, John 1967–
- Grennan, Eamon 1941–
- Grenrock Woods, Stacey 1968- (Stacey Dee Grenrock)
- Grenville, Kate 1950-
- Grescoe, Taras 1966-
- Gresham, Grits 1922-2008 (Claude Hamilton Gresham, Jr.)
- Greshoff, Jan 1888–1971
- Gress, Elsa 1919-1988
