Fabian, Tommy: one of a group of small town gamblers in Minnesota by Peter Hautman

Fairchild, Faith: wife of a clergyman and leaves New York City for a small town in New England by Katherine Hall Page

Fairfax, Phoebe: the camera operator for “A Day in the Life” style TV program in Canada by Suzanne North

Fairr, Melville: a lawyer in New York by Michael Venning

Falco, Marcus Didius: an “informer” for Emperor Vespasian in first century Rome by Lindsey Davis

Falcon, Javier: a detective inspector in Spain by Robert Wilson 

Falconer, William: 13th century university regent master in Oxford, England by Ian Morson

Falkenstein, Jesse: a lawyer in Los Angeles, California by Leslie Egan

Fansler, Kate: a feminist New York City university English professor by Amanda Cross

Faraday, Joe: DI, recently promoted to the elite Major Crimes Team by Graham Hurley

Faraday, Mike: hard-boil private eye who quotes Herrick in Los Angeles, California by Basil Copper

Faro, Inspector Jeremy: a detective in Victorian Edinburgh, Scotland by Alanna Knight

Farrell, A.G.: a sheriff in Hopewell, Virginia by John A. Miller

Farrell, Brodie:  runs a search service in Dimmock, England by Jo Bannister

Farrell, Wesley: passing for white, a nightclub owner in 1930's New Orleans, Louisiana by Robert Skinner

Farrow, Kay: color-blind photojournalist in San Francisco, California by David Hunt

Fedora, Johnny:   a British agent in England by Desmond Cory

Feiffer, Harry: chief inspector of Yellowthread Street station in Hong Kong, China by William Marshall

Fell, Dr. Gideon: the “old lexicographer”  in England by John Dickson Carr

Felse, George, Bunty & Dominic: family of detectives in Comerford, Shropshire, England by Ellis Peters

Felton, Cora: a crossword creator with a nationally-syndicated column in Bakerhaven, Connecticut by Parnell Hall

Fen, Gervase: professor of English in Oxford, England by Edmonds Crispin

Fenchurch, John: a Cambridge Fellow in England by Dorsey Fiske

Fender, Martin: skip tracer in Austin, Texas by Jesse Sublett

Fenimore, Dr. Andrew: a family physician in Philadelphia, Pennsylvania by Robin Hathaway

Fenner, Dave: a reporter turned private eye by James Hadley Chase

Fenwick, Andrew: a DCI in Sussex, England by Elizabeth Corley

Ferguson, Jane: an ex-law student and assistant to Hillary Scarborough in the Murder by Design mysteries by Paula Carter

Fergusson, Clare: newly-ordained Episcopal priest in Millers Kill, New York by Julia Spencer-Fleming

Ferris, Lewellyn: a fly fishing wonder and the Chief of Police in Loon Lake, Wisconsin by Victoria Houston

Fhaolain, Lynne:   a retired Major with the Criminal Investigation Division of the Army, in Leadville, Colorado by Janet McClellan

Fidelma, Sister: 7th century Celtic sister and legal advocate in Kildaire, Ireland by Peter Tremayne

Field, Jack: a former NYPD detective, retired to run a kennel in Maine by Lee Charles Kelley

Fielding, Emma: an archaeologist by Dana Cameron

Fielding, Kit: jockey in England by Dick Francis

The Fiddler and Fiora series in Crystal Cove, California by A. E. Maxwell

Fielding, Sir John: blind magistrate and founder of the first police force in London, England by Bruce Alexander

Figueroa, Suze: a cop in Chicago, Illinois by Barbara D'Amato

Finn, Elmo: a Vietnam Vet, retired from the CIA on Longboat Key in Sarasota, Florida by Michael McClister

Fischman, Nina: attorney in New York, New York by Marissa Piesman

Fisher, Phryne: in 1920s Melbourne, Australia by Kerry Greenwood

Fitzduane, Hugo: a photographer and current occupant of his family’s ancient Irish castle by Victor O’Reilly

Fitzgerald, Colleen: insurance investigator in Rehobeth Beach, Delaware by Barbara Johnson

Fitzgerald, Fiona: a homicide detective in Washington D. C. by Warren Adler

Flagg, Conan: a bookstore owner & former intelligence agent in Oregon by M. K. Wren

Flannery, Jimmy: sewer inspector & Democratic precinct captain in Chicago, Illinois by Robert Campbell

Flannigan, Dixie: prosecutor turned bounty hunter in Houston, Texas by Chris Rogers

Fleming, Ian: a journalist after a distinguished career as an intelligence operative during World War II in Jamaica by Quinn Fawcett

Fleming, Jack: a ’30s reporter turned vampire in Chicago, Illinois by P. N. Elrod

Fleming, James: a solicitor in Dublin, Ireland by Ann C. Fallon

Fletcher, Irwin M.: reporter turned beach bum socialite in the United States by Gregory McDonald

Fletcher, Jay: a rogue FBI agent in the US by A. J. Holt

Fletcher, Jessica, a mystery writer in Cabot Cove, Maine by Jessica Fletcher and Donald Bain

Fletcher, Philip: British thespian and killer in London, England by Simon Shaw

Flippo, Jack: private investigator in Dallas, Texas by Doug J. Swanson

Flood, Kathy "Caz": detective constable in Brighton, England by Alex Keegan

The Fiddler and Fiona Series: in Crystal Cove, California by A. E. Maxwell

Flynn, Fiora: investment banker and ex-wife in Crystal Cove, California by A. E. Maxwell

Flynn, Francis Xavier: tenacious police inspector in Boston, Massachusetts by Gregory McDonald

Flynn, Kelly with a previous fear of needles, is now learning to knit at the House of Lambspun by Maggie Sefton

Flynn, Laura: private investigator in London, England by Lesley Grant-Adamson

Flynn, Mickey: an American photojournalist by Jo Bannister

Flynn, Terry: a special squad detective in Chicago, Illinois by Bill Granger

Fogarty, Hannah: opens a new bookstore in her old home town of Destiny, Texas by Cindy Daniel

Fogarty, Luanne: a scuba diver in northern Florida swamp country (Tallahassee), Florida by Glynn Marsh Alam

Foley, Malachy P.: a jazz piano-playing private investigator in Chicago by David J. Walker

Folger, Merry: a police officer on Nantucket Island, Massachusetts by Francine Mathews

Fonseca, Lew: an investigator for local attorneys in Sarasota, Florida by Stuart M. Kaminsky

Fontana, Mac: ex-firefighter and arson investigator in Staircase, Washington by Earl Emerson

Ford, Dana: a child psychologist, in Washington D.C. by Linda Ellison

Ford, Doc: ex-operative marine biologist in Sanibel Island, Florida by Randy Wayne White

Foreman, Ellie: recently divorced suburban mom, makes video documentaries in Chicago, Illinois by Libby Fischer Hellmann

Forman, Simon: an Elizabethan physician-astrologer in London, England by Judith Cook

Forrester, Lily: a Assistant District Attorney in Southern California by Nancy Taylor Rosenberg

Forrester, Molly: an advice columnist In New York, New York by Sheryl J. Anderson

Forsyth, Robert (Robby): a retired barrister in London, England by E. X. Giroux

Fortier, Margo: ex-stripper turned columnist in New Orleans, Louisiana by Tony Fennelly

Fortier, Trey: a homicide detective in Atlanta, Georgia by Kay Hooper

Fortlow, Socrates: philosophical ex-con in California by Walter Mosley

Fortune, Dan: a one-armed Polish-Lithuanian private investigator in New York, New York by Michael Collins

Fortune, Sarah: a lawyer in a prestigious British firm, in London England by Frances Fyfield

Foster, Stick: paraplegic newspaper reporter in Orlando, Florida by Kevin Robinson

Fox, (William) Tecumseh (Sherman): a detective in New York by Rex Stout

Foy, Superintendent Francis: by Lionel Black

Franco, L. A. “Frank”: a homicide detective in Los Angles, California by Baxter Clare

Frank, Lucas: a retired forensic psychiatrist by John Philpin

Franklyn, Kit: criminal psychologist in New Orleans, Louisiana by D. J. Donaldson

Frazer, Tim: a young engineer who gets involved in intrigue by Francis Durbridge

Frederickson, Dr. Robert “Mongo”: dwarf criminology professor and former circus gymnast in New York, New York by George Chesbro

Freedman, Benny: a private eye in San Diego, California in San Bernadino, California by Milton Bass

Freeman,  Max: a cop from Philly shot and killed a 12 year-old, quit and moved to the edge of the Everglades in Florida by Jonathon King

Freer, Felix: a thief in London, England by E. X. Ferrars

Freer, Virginia: a physiotherapist in London, England by E. X. Ferrars

French, Inspector Joseph: of Scotland Yard, in London, England by Freeman Wills Crofts

Frevisse, Sister: a nun in the 1400s in Oxfordshire, England by Margaret Frazer

Friedman, Kinky: country and western singer turned sleuth in New York, New York by Kinky Friedman

Frost, Leslie: secret agent and concert violinist in Washington D. C. by Janice Weber

Frost, Reuben: a retired Wall Street super-lawyer and private investigator by Haughton Murphy

Fry, Diane: recently transferred to Edendale's police force, in England by  Stephen Booth

Fuller, Josephine: a queen-sized investigator in Seattle, Washington by Lynne Murray

Furnshill, Sir Baldwin: ex-Templar Knight in Devon, England by Michael Jecks