- Halacy, D(aniel) S(tephen), Jr. (1919-2002) (stories)
- See www.sf-encyclopedia.com/entry/halacy_d_s_jr
- Halbrook, Michael (fl. 1940s-1950s) (stories)
- With the Manchester Guardian.
- Haldane, J(ohn) B(urdon) S(anderson) (1892-1964) (stories)
- See www.sf-encyclopedia.com/entry/haldane_j_b_s
- Haldeman, Linda (Wilson) (1935-1988) (stories)
- See desturmobed.blogspot.co.uk/2018/02/linda-haldeman.html
- Hale, Edward Everett (1822-1909) (stories)
- See www.sf-encyclopedia.com/entry/hale_edward_everett
- Half, Jason (fl. 2010s) (stories)
- See www.jasonhalf.com
- Halifax, Clifford; pseudonym of Edgar Beaumont (1860-1921) (stories)
- See www.sf-encyclopedia.com/entry/halifax_clifford
- Hall, Austin (Javen) (1880-1933) (stories)
- See www.sf-encyclopedia.com/entry/hall_austin
- Hall, Desmond W(inter) (1909-1992) (stories)
- See www.sf-encyclopedia.com/entry/hall_desmond_w
- Hall, Emmett Campbell (1882-1956) (stories)
- See en.wikipedia.org/wiki/Emmett_C._Hall
- Hall, Gladys (1891-1977) (stories)
- See en.wikipedia.org/wiki/Gladys_Hall
- Hall, James Norman (1887-1951) (stories)
- See en.wikipedia.org/wiki/James_Norman_Hall
- Hall, Robert Lee (1941- ) (stories)
- See www.sf-encyclopedia.com/entry/hall_robert_lee
- Hall, Russ(ell Lee) (1949- ) (stories)
- Acquisitions editor for NYC publishers turned full-time-writer; living in Austin, Texas.
- Hall, T. Victor (1879-1965) (art)
- See pulpartists.com/Hall.html
- Halleran, E(ugene) E(dward) (1905-1994) (stories)
- School teacher, western writer. Born in Wildwood, New Jersey; lived in Florida.
- Halliday, Brett; pseudonym of Davis Dresser (1904-1977) (stories) (assoc.)
- See en.wikipedia.org/wiki/Brett_Halliday
- Hallinan, Timothy (1942- ) (stories) (assoc.)
- Partner in Los Angeles public relations firm.
- Hallock, C(laude) Wiles (1890-1962) (stories)
- Journalist, poet, writer. Born in Salida, Colorado; died in Denver, Colorado.
- Halstead, Howard (fl. 2010s) (stories)
- See www.howardhalstead.com
- Halter, Paul (1956- ) (stories)
- See en.wikipedia.org/wiki/Paul_Halter
- Hambly, Barbara (Joan) (1951- ) (stories)
- See www.sf-encyclopedia.com/entry/hambly_barbara
- Hamby, William H(enry) (1876-1928) (stories)
- Novelist, journalist. Born in Wright County, Missouri; died in San Diego, California.
- Hamill, Pete(r) (1935- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/hamill_pete
- Hamilton, Edmond (Moore) (1904-1977) (stories)
- See www.sf-encyclopedia.com/entry/hamilton_edmond
- Hamilton, Glen Erik (fl. 2010s) (stories) (assoc.)
- See www.glenerikhamilton.com
- Hamilton, Ian (Sydney) (1935-?) (stories)
- Born in Melbourne; advertising copywriter and TV commercial writer.
- Hamilton, Ian (1946- ) (stories)
- See en.wikipedia.org/wiki/Ian_Hamilton_(writer)
- Hamilton, Lyn (Elizabeth) (1944-2009) (stories)
- Works for Ontario Ministry of Culture in Toronto.
- Hamilton, Sylvian [born Sylvia Grace Hobbs] (1937-2005) (stories)
- Born in Portsmouth, England; married a man named Gillen in Canada ca.1956, then Patrick Hamilton in 1965; latterly changed her first name to Sylvian. Variously journalist, antique dealer, farmer; lived on Scottish borders.
- Hamling, William L(awrence) (1921-2017) (stories)
- See www.sf-encyclopedia.com/entry/hamling_william_l
- Hammond, Kay; pseudonym of Kay Hammond-Davies (1900-1967) (stories)
- See www.sf-encyclopedia.com/entry/hammond_kay
- Hammond, Ray (fl. 1980s-2000s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/hammond_ray
- Hammond, Warren (fl. 2000s-2010s) (stories)
- See www.warrenhammond.net
- Hammond-Davies, Kay [i.e., Kathleen Eleanor Hammond-Davies] (1900-1967) (stories)
- See bearalley.blogspot.co.uk/2010/04/kay-hammond-davies.html
- Hampton, Edgar Lloyd (1872-1951) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/01/edgar-lloyd-hampton-1872-1951.html
- Hancock, H(arrie) Irving (1868-1922) (stories)
- See www.sf-encyclopedia.com/entry/hancock_h_irving
- Hancock, Penny (fl. 2010s) (stories)
- See pennyhancock.com/bio
- Hankins, Arthur P(reston) (1880-1932) (stories)
- Born in Sac City, Iowa; novelist; contributed to many pulp magazines.
- Hanna, Sophie (1971- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sophie_Hannah
- Hansen, Vern; pseudonym of V. J. Hanson (1920-2001) (stories)
- See www.sf-encyclopedia.com/entry/hansen_vern
- Hanshew, Mary E(liza, née Burnett) (1852-1927) (stories)
- See www.sf-encyclopedia.com/entry/hanshew_mary_e
- Hanshew, Thomas W(ashington) (1857-1914) (stories)
- See www.sf-encyclopedia.com/entry/hanshew_t_w
- Harbaugh, Thomas Chalmers (1849-1923) (stories)
- Born in Middletown, Maryland.
- Harben, Will(iam) N(athaniel) (1858-1919) (stories)
- See www.sf-encyclopedia.com/entry/harben_will_n
- Harden, Laurie (fl. 1990s-2010s) (art)
- See www.laurieharden-us.com
- Hardinge, George (Edward Charles), 3rd Baron Hardinge of Penshurst (1921-1997) (stories)
- See www.independent.co.uk/news/people/obituary-lord-hardinge-of-penshurst-1251067.html
- Hardinge, Rex [i.e., Charles Reginald Quintin Von Donop Hardinge] (1902-1990) (stories)
- Born in Poona, India; educated at Wellington College, Berkshire, England; farmed in South Africa, 1923-27; worked on Indian newspapers, 1928-29; returned to England in 1929 to become a full-time freelance writer; served in the Observer Corps at the start of WWII, later in the Royal Armoured Corps, then transferred to the Indian Army, then posted to China for undercover activities (promoted to Major in 1945); returned to England after the war and resumed full-time writing.
- Hardy, Arthur Sherburne (1847-1930) (stories)
- Born in Andover, Massachusetts and educated in Boston, Switzerland and at West Point; Professor of Civil Engineering, Los Angeles College, and of mathematics at Dartmouth College, 1884-1893; Consul-General to Persia, 1897-1899; U.S. Minister to Greece, Romania and Serbia, 1899-1901, to Switzerland, 1901-1903, and to Spain, 1903-1905.
- Hardy, Thomas (1840-1928) (stories)
- See en.wikipedia.org/wiki/Thomas_Hardy
- Hargreaves, Susanna (L.) (fl. 2000s-2010s) (stories)
- See www.susannahargreaves.com
- Haring, Don(ald Anthony) (1922-1981) (stories)
- American serviceman in Australia, married in Sydney in 1942 (wife was Coralie Linda Haring), left Australia in 1959, and lived in the U.K. before relocating to the U.S.; died in Honolulu.
- Harknett, Terry (Williams) (1936- ) (stories)
- See en.wikipedia.org/wiki/Terry_Harknett
- Harlow, Alvin F(ay) (1875-1963) (stories)
- Author, historian, biographer, editor. Born in Sedalia, Missouri; died in New York City.
- Harmon, Jim [i.e., James Judson Harmon] (1933-2010) (stories)
- See www.sf-encyclopedia.com/entry/harmon_jim
- Harmony, Celtica ({c}1995- ) (stories) (art) (assoc.)
- See celtica-harmony.deviantart.com
- Harold, Elliotte Rusty ({c}1960- ) (stories)
- See en.wikipedia.org/wiki/Elliotte_Rusty_Harold
- Harper, Karen (S.) (1945- ) (stories)
- See en.wikipedia.org/wiki/Karen_Harper
- Harper, Richard (J.) (1928-2012) (stories)
- Magazine short story writer and novelist; journalism graduate of University of Missouri; served in the U.S. Marines; variously a forest ranger, U.S. Border Patrolman, and employment interviewer; died in Arizona.
- Harrington, Evans (Burnham) (1925-1997) (stories)
- See www.olemiss.edu/depts/general_library/archives/finding_aids/MUM00219.html
- Harrington, Jonathan (1956- ) (stories) (assoc.)
- See www.goodreads.com/author/show/265554.Jonathan_Harrington
- Harrington, Katherine [Mrs. Rolf Bennett] ({c}1881-1962) (stories)
- Birth name may have been Katherine Watt-Tanner.
- Harrington, Kim (fl. 2000s-2010s) (stories)
- See www.kimharringtonbooks.com
- Harrington, Patricia (?-2013) (stories)
- See mysteryreadersinc.blogspot.co.uk/2013/10/patricia-harrington-rip.html
- Harris, Larry M(ark) (stories)
- Birth name of author who adopted his Polish grandfathers name and became Laurence M. Janifer in 1963, and thereafter used it in his writings.
- Harris, Robert (Dennis) (1957- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/harris_robert
- Harris, Sidney (1933- ) (art)
- See en.wikipedia.org/wiki/Sidney_Harris_(cartoonist)
- Harris, Stephanie Jo (fl. 2010s) (stories)
- See booktrib.com/2019/01/stephanie-jo-harris-author-profile
- Harris, (William) Thomas (1940- ) (stories) (assoc.)
- Served in Navy in WWII; living in Oregon.
- Harris-Burland, J(ohn) B(urland) (1870-1926) (stories)
- See www.sf-encyclopedia.com/entry/harris-burland_j_b
- Harris-Callway, Madeleine (fl. 2000s-2010s) (stories)
- See www.mhcallway.com/Bio.html
- Harrison, C(hester) William (1913-1994) (stories)
- Born in Indianapolis, Indiana.
- Harrison, David (1966- ) (stories)
- See www.tombale.net
- Harrison, Harry [legalized from Henry Maxwell Dempsey] (1925-2012) (stories)
- See www.sf-encyclopedia.com/entry/harrison_harry
- Harrison, Henry Sydnor (1880-1930) (stories)
- Born in Sewanee, Tennessee and died in Atlantic City, New Jersey.
- Harrison, John (fl. 2000s-2010s) (stories) (assoc.)
- See john-harrison.blogspot.co.uk
- Harrison, Michael [born Maurice Desmond Rohan Harrison] (1907-1991) (stories)
- See www.sf-encyclopedia.com/entry/harrison_michael
- Harrison, Sam(uel G.) (1947- ) (stories)
- Florida journalist and writer.
- Harsh, Nolen (1939-2010) (stories)
- See www.stittsworthfuneralservices.com/obits/obituary.php?id=68082
- Hart, Joe (fl. 2010s) (stories) (assoc.)
- See www.joehartbooks.com
- Hart, K. D. (fl. 2010s) (stories)
- See authorkdhart.com
- Hart, Rob W. (fl. 2010s) (stories) (assoc.)
- See robwhart.com/about
- Harte, (Francis) Bret (1836-1902) (stories)
- See en.wikipedia.org/wiki/Bret_Harte
- Hartley, William Brown (1913-1980) (stories)
- See www.imdb.com/name/nm0366898/bio
- Harvey, Frank (Laird) (1913-1982) (stories)
- Writer of aviation stories; editor of Argosy for years 1950-1954. Born in Pittsburgh, Pennsylvania. Not to be confused with the English actor and playwright of the same name (1912-1981).
- Harvey, John (Barton) (1938- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Harvey_(author)
- Harvey, Marion (1900- ) (stories)
- Born in Rio de Janeiro; graduate of Hunter College and Cleveland Law School; practiced law in Ohio until moving to L.A.
- Harvey, William C(lunie) (1900-1967) (stories)
- Born in Glasgow; a physician.
- Harvey, William F(ryer) (1885-1937) (stories)
- See en.wikipedia.org/wiki/W._F._Harvey
- Harwood, John Berwick (1828-1899) (stories)
- See en.wikipedia.org/wiki/John_Berwick_Harwood
- Harwood, Seth (fl. 2000s-2010s) (stories)
- See sethharwood.com
- Haskins, Michael (fl. 2000s-2010s) (stories)
- See michaelhaskins.net
- Hasse, Henry (Louis) (1913-1977) (stories)
- See www.sf-encyclopedia.com/entry/hasse_henry
- Hastings, Basil MacDonald (1881-1928) (stories)
- See en.wikipedia.org/wiki/Basil_Macdonald_Hastings