Gabriel, Matt: a sheriff in Blackwater Bay, Michigan by Paula Gosling

Gaitano Nick: by Eugene Izzi

Gallagher, Jan: the head of Special Security Projects at Jackson General (General Jack) Hospital in Abilene, Texas by Jo Bailey

Gallagher, Willi: part-time English teacher, looking into her American Indian background, in Nickleberry, Texas by Kat Goldring

Gallegher, Pat: a failed seminarian, retired forensic psychologist & jazz musician in  New Orleans, Louisiana by Richard Helms

Gallen, Tim: an IRS agent by Malinda Terreri

Galloway, Theresa: a personnel officer in Sacramento, California by Terris McMahan Grimes

Galt, Jason: by Mark Lovell

Gamadge, Clara: widow of Henry, the forgery expert, in New York, New York by Eleanor Boylan

Gamadge, Henry: author, bibliophile and forgery expert in New York, New York by Elizabeth Daly

Gant, Rowan: a Wiccan disciple in St. Louis, Missouri by M. R. Sellars

Gants, Charlie by Richard K. Abshire

Garcia, Vicki: television reporter in Los Angeles, California by Robert Irvine

Garcia y Grant, Christine: an ex-lawyer running a bed and breakfast in Taos, New Mexico in the Taos Festival Mysteries by Mari Ulmer

Garrett: a 30-something fantasy private investigator in TunFaire by Glen Cook

Garrett, Amanda: commander of a stealth U.S. Navy warship in the year 2006 by James H. Cobb

Garrett, Dave: disbarred lawyer turned private eye in Lancaster County, Pennsylvania by Neil Albert

Garrett, Maggie: a young, lesbian private investigator in San Francisco, California by Jean Taylor

Garrity, Julia Callahan: cleaning business owner in Atlanta, Georgia by Kathy Hogan Trocheck

Gastner, Bill: insomniac undersheriff in Posadas County, New Mexico by Steven F. Havill

Gates, Ben: a series character by Robert Kyle

Gaunt, Jonathan: external auditor the Queen in Edinburgh, Scotland by Robert MacLeod

Gavin, Drew: an Albuquerque Gazette sports columnist in Albuquerque, New Mexico by Steve Brewer

Gavin, Nora: an American pathologist in Ireland by Erin Hart

Gennaro, Angela: private eye in Boston, Massachusetts by Dennis Lehane

Gently, George: a superintendent in East Anglia, England by Alan Hunter

Gentry, Calla, a trial consultant in Tucson, Arizona by Louise Ure

George, Dr. Edward: a retired Yale librarian in Washington D. C. by Charles A. Goodrum

Gethryn, Anthony: sleuth and son of an English Squire by Phillip MacDonald

Ghote, Inspector Ganesh: a police inspector in Bombay, India by H.R. F. Keating

Gibbons, Cuthbert: FBI agent undercover with the Mob in New York, New York by Anthony Bruno

Gibson, Carole Ann: black criminal defense attorney in Washington D. C. by Penny Mickelbury

Gilbert, Barry and Joe Lombardo, police homicide detectives in Toronto, Ontario, Canada by Scott Mackay

Erin Gilbert and Steve Sullivan, rival interior designers in Colorado, are featured in the Domestic Bliss Mysteries by Leslie Caine

Gillard, Patrick: British army major by Margaret Duffy

Gillespie, Kate: a homicide inspector in San Francisco, California by Robin Burcell

Gillis, Meg: a security officer in Los Angeles, California by C. J. Songer

Gilver, Dandy: a well-to-do woman in 1920s Scotland by Catriona McPherson

Girland, Mark: a high-living (when he can) ex-CIA operative by James Hadley Chase

Given, Susan: an asset forfeiture prosecutor in New York, New York by Margaret Barrett & Charles Dennis

Givens, Raylan: federal marshal in Florida by Elmore Leonard

Gladstone, Alexandra: a doctor in Victorian Newton-on-Sea, England by Paula Paul

Glass, Detective Chief Inspector (DCI): a policeman in Liverpool, England by Ron Ellis

Gleason, Joseph C.: an attorney in Arlington, Massachusetts by Andrew McAleer

Glendower, Sir Toby: a 60-something archaeologist in Cambridge, England by Margot Arnold

Glenning, Paula: a professor and writer, in London, England by Anna Clarke

Glitsky, Abe: a black, Jewish cop in San Francisco, California by John Lescroart

Lord Godwin, a bailiff in Hexham in 13th century England by Sara Conway

Gold, Ariel: an amnesiac television newsmagazine producer in Los Angeles, California by Judy Mercer

Gold, Glad: an English professor in Wading River, Massachusetts by Theodora Wender

Gold, Natalie: a reporter on the horse show circuit in Charlotte, North Carolina by Jody Jaffe

Gold, Rachel: defense attorney in Chicago, Illinois then St. Louis, Missouri by Michael A. Kahn

Gold, Sheldon: Mairead O'Clare's mentor, is a lawyer in Boston, Massachusetts by Terry Devane

Goldstein, Jay: a homicide detective in Oakland, California by Marilyn Wallace

Goldstein, Kiki: one of an unlikely pair of 60-something sister, in Marine, California by Annie Griffin

Gonzalo, Luis: a policeman in Puerto Rico by Seven Torres

Good, Sally: head of the English and Fine Arts departments at Hughes Community College in Texas by Bill Crider

Goodnight, Augusta: a Guardian angel by Mignon F. Ballard

Gordianus the Finder: a private investigator in the 1st century BCE in Rome, Italy by Steven Saylor

Gordon, Ellie: a law firm office manager in Orange County, California by Karin Berne

Gordon, Lindsay: lesbian journalist & socialist in Glasgow, Scotland by Val McDermid

Gordon, Tory: a police detective in Florida by Carlene Miller

Graham, Alan: a contract archaeologist in Baton Rouge, Louisiana by Malcolm Shuman

Graham, Annabella: crossword puzzle editor for the Newcastle Evening Crier in Newcastle, Massachusetts by Nero Blanc

Graham, Charlotte: an actress in New Jersey by Stefanie Matteson

Graham, Davina: by Evelyn Anthony

Graham, Liz: a cop in Castlemer, England by Jo Bannister

Graham, Robert: a detective inspector in Eddathorpe, England by Raymond Flynn

Grant, Alan: a Scotland Yard Inspector in London, England by Josephine Tey

Grant, Celia: a botanist/horticulturist in London, England by John Sherwood

Grant, Patrick: professor at Oxford, England by Margaret Yorke

Grant, General Ulysses: returns to his hometown of Georgetown, Ohio just following the end of the Civil War by Jeffrey Marks 

Gray, Claire: a theatrical director in Palm Springs, California by Michael Craft

Gray, Cordelia: fledgling Private Investigator in London, England by P. D. James

Gray, Helen: an FBI agent by Larry Bond

Gray, P. J.: a psychologist and computer expert in St. Louis, Missouri by Shirley Kennett

Grayson, Gale: an American expatriate historian in England by Teri Holbrook

Greaves, Emma: by Lionel Black

Green, Bedford: an art gallery owner in Greenwich Village, New York, in 1925 Michael Kilian

Green, Katy: a violin player in the Ultra Belles, an all-girl swing band in 1940s California by Hal Glatzer

Green, Michael: an police inspector in Ottawa, Ontario, Canada by Barbara Fradkin

Green, Margo: a natural history museum curator in New York by Lincoln Child and Douglas Preston

Greene, Charlie: a female literary agent in Hollywood, California by Marlys Millhiser

Greenfield, C. B.: a newspaper editor and musician in Sloan's Ford, Connecticut by Lucille Kallen

Greenway, Sophie: magazine editor and food critic for Minneapolis, Minnesota by Ellen Hart

Gregory, Alan: practicing psychologist in Boulder, Colorado by Stephen White

Gregory, Joe: NYPD detective in New York, New York by Ed Dee

Grey, Jennifer: newspaper reporter and columnist in Chicago, Illinois by Jerry Jenkins

Grey, Mother Lavinia: Episcopal vicar and practicing therapist in Fishersville, New Jersey by Kate Gallison

Grey, Linda:   British female in England by Desmond Cory

Grey, Paula: a British secret agent written as by Corbin Forbes

Grey, Roman: Gypsy art dealer in New York by Martin Cruz Smith

Griffin, Lew: a black private investigator in New Orleans, Louisiana by James Sillas

Griffo, Simona: art buyer for an advertising firm and gourmet cook in New York, New York by Camilla T. Crespi

Grijpstra: police detective in Amsterdam, Netherlands by Jan Van De Wetering

Grist, Simeon: four-degreed private investigator in Los Angeles, California by Timothy Hallinan

Grofield, Alan: actor and part-time bank robber in New York City by Donald E. Westlake

Gryce, Ebenezer: a detective with the New York police by Anna Katherine Green

Guarnaccia, Salvatore: a marshal in the Italian Carabinieri in Florence, Italy by Magdalen Nabb

Guild, Leo: 1880s bounty hunter in Western United States by Ed Gorman

Gunner, Aaron: a black private investigator in Los Angeles, California by Gar Anthony Haywood

Gunther, Bernie: 1930s German private eye in Berlin, Germany by Philip Kerr

Gunther, Joe: police detective in Brattleboro, Vermont by Archer Mayor