- Marshall, Garry (1934-2016) (stories)
- See en.wikipedia.org/wiki/Garry_Marshall
- Marshall, Helen (fl. 2000s-2010s) (stories) (assoc.)
- See www.helen-marshall.com
- Marshall, Joseph; pseudonym of Joseph Marshall Krechniak (1908?-1964) (stories)
- See www.nytimes.com/1964/02/24/krechniak-wrote-as-joseph-marshall.html
- Marshall, Joseph R. (fl. 1950s-1960s) (stories)
- Reporter, magazine writer and editor; in public-relations.
- Marshall, Kirk (fl. 2010s) (stories)
- See fun-with-kites.livejournal.com
- Marshall, Marguerite Mooers (1887-1964) (stories)
- Born in Kingston, New Hampshire. educated at Tufts College; columnist on New York Evening World from 1910; columnist for two New York City dailies from 1922 until 1945.
- Marshall, Paule [born Valenza Pauline Burke] (1929-2019) (stories)
- See en.wikipedia.org/wiki/Paule_Marshall
- Marshall, Robert (1901-1939) (stories) (assoc.)
- See en.wikipedia.org/wiki/Bob_Marshall_(wilderness_activist)
- Marshall, Rosamond (Van der Zee) (1902-1957) (stories)
- See dictionary.sensagent.com/Rosamond_Marshall/en-en/
- Marshall, S(amuel) L(yman) A(twood) (1900-1977) (stories)
- See en.wikipedia.org/wiki/S.L.A._Marshall
- Marshall-Hall, [Sir] Edward (1858-1927) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edward_Marshall_Hall
- Marson, G(erald) F(rancis) (1884-1969) (stories)
- Vicar and rector of Church of England.
- Marson, Richard ({c}1976- ) (stories)
- See en.wikipedia.org/wiki/Richard_Marson
- Marston, Philip Bourke (1850-1887) (stories)
- See en.wikipedia.org/wiki/Philip_Bourke_Marston
- Marston, William Moulton (1893-1947) (stories)
- See en.wikipedia.org/wiki/William_Moulton_Marston
- Martel, Yann (1963- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Yann_Martel
- Martell, Charles (Getman) (1936-2010) (stories)
- Has degrees from St. Lawrence and Duke Universities; was a Fulbright Scholar; advertising copywriter in Chicago and San Francisco.
- Marten, Maria (1801-1827) (stories) (assoc.)
- See en.wikipedia.org/wiki/Red_Barn_Murder
- Mårtensson, Bertil (1945-2018) (stories)
- See en.wikipedia.org/wiki/Bertil_Mårtensson
- Martin, A(rchibald) E(dward) (1885-1955) (stories)
- Born in Adelaide, Australia; traveled widely and toured Europe, working on fairgrounds; bought and showed documentary films; ran a travel agency.
- Martin, Al(bert Harry) (1895-1971) (stories)
- Born in Wisconsin; died in Los Angeles.
- Martin, Andrew (1962- ) (stories) (assoc.)
- See bearalley.blogspot.co.uk/2013/03/andrew-martin-cover-gallery.html
- Martin, Arthur Lewis (1902-1981) (stories)
- See bearalley.blogspot.co.uk/2017/05/brian-worthington-stuart-part-1.html
- Martin, Arthur Patchett (1851-1902) (stories)
- See en.wikipedia.org/wiki/Arthur_Patchett_Martin
- Martin, Carrie (fl. 1990s-2010s) (stories)
- See carriemartin.ca
- Martin, Charles M(orris) Chuck (1891-1954) (stories) (assoc.)
- Some stories under this byline written by Charles S. Strong.
- Martin, Chester (Carlos) (1924-2013) (art)
- See www.pulpartists.com/Martin.html
- Martin, Cody (1987- ) (stories)
- See secretworldchronicle.com/about/author-cody-martin/
- Martin, David (fl. 2010s) (stories)
- See www.smashwords.com/profile/view/davidcmartin
- Martin, David Ralph (1935-2007) (stories)
- See en.wikipedia.org/wiki/Dave_Martin_(screenwriter)
- Martin, Don (1931-2000) (art)
- See en.wikipedia.org/wiki/Don_Martin_(cartoonist)
- Martin, Edward Sandford (1856-1939) (stories)
- See en.wikipedia.org/wiki/Edward_Sandford_Martin
- Martin, Frederick Townsend (1849-1914) (stories)
- See en.wikipedia.org/wiki/Frederick_Townsend_Martin
- Martin, George R(aymond) R(ichard) (1948- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/George_R._R._Martin
- Martin, Glenn L(uther) (1886-1955) (stories) (assoc.)
- See en.wikipedia.org/wiki/Glenn_L._Martin
- Martin, Graham Dunstan (1932- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/martin_graham_dunstan
- Martin, Helen R(iemensnyder) (1868-1939) (stories)
- Born in Lancaster, Pennsylvania; educated at Swarthmore and Radcliffe Colleges.
- Martin, Mrs. Herbert [i.e., Mary Emma Le Breton Martin] (1845-1931) (stories)
- Born in Bloomsbury, London.
- Martin, Hugh (1890-1964) (stories)
- See en.wikipedia.org/wiki/Hugh_Martin_(minister)
- Martin, Ian (1912-1981) (stories)
- Born in Glasgow, Scotland; actor and playwright, especially for radio; died in New York City.
- Martin, Ian Kennedy (1936- ) (stories)
- Brother of Troy Kennedy Martin (1932-2009).
- Martin, J(ohn) P(ercival) (1879-1966) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/martin_j_p
- Martin, Jackson (1874-1946) (stories)
- See www.azcentral.com/community/mesa/articles/20130506powder-river-jack-buried-in-mesa-cemetery.html
- Martin, Jane (1937- ) (stories)
- Born Yvonne Jane Curry in Bournemouth, England; married John Martin in 1967, then Raymond Hatton in 1997; living in Cornwall.
- Martin, John Bartlow (1915-1987) (stories)
- See en.wikipedia.org/wiki/John_Bartlow_Martin
- Martin, John Stuart (1900-1977) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/martin_john_s
- Martin, (Basil) Kingsley (1897-1969) (stories) (assoc.)
- See en.wikipedia.org/wiki/Kingsley_Martin
- Martin, Lee (1955- ) (stories) (assoc.)
- See leemartinauthor.com
- Martin, Marcia (fl. 1970s-1990s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/martin_marcia
- Martin, Mary (Virginia) (1913-1990) (stories)
- See en.wikipedia.org/wiki/Mary_Martin
- Martin, Neil (1885-1963) (stories)
- See pulpflakes.blogspot.co.uk/2015/07/pulp-reprints-collected-stories-of-sea.html
- Martin, Nell (Columbia Boyer) (1890-1968) (stories)
- Born Nellie Columbia Boyer in Illinois; later she was Nell Columbia Boyer Martin and then Nell Columbia Boyer Martin Dickinson, widow of (Ashley) Weed Dickinson.
- Martin, Nicolas (1980- ) (art)
- See www.theartofnicolasmartin.com
- Martin, Paul (1883-1932) (art)
- born June 6, 1883, New York City; died of ulcers March 19, 1932, Ossining, New York following a major operation.
- Martin, Pepper [i.e., Johnny Leonard Roosevelt Martin] (1904-1965) (stories) (assoc.)
- See en.wikipedia.org/wiki/Pepper_Martin
- Martin, Ralph G(uy) (1920- ) (stories) (assoc.)
- Author and editor. Born in Chicago, Illinois; lives in New York.
- Martin, Reginald Alec (1908-1971) (stories)
- See www.reginaldalecmartin.co.uk
- Martin, Richard (fl. 1950s-1970s) (stories)
- Likely not the Richard Martin used as a pseudonym by English writer John Creasey (1908-1975).
- Martin, Robert (Lee) (1908-1976) (stories) (assoc.)
- See www.mysteryfile.com/RMartin/Pronzini.html
- Martin, Robin (fl. 2000s) (stories)
- See www.thesteampunkempire.com/profile/RobinMartin
- Martin, Stuart [i.e., Allan Stewart Martin] (1881-1947) (stories) (art)
- Born in Kilmarnock, Scotland; died in Richmond, Surrey; author and journalist.
- Martin, Terry (fl. 2000s-2010s) (stories)
- See www.terrymartin.me.uk
- Martin, Thomas Hector (1913-1985) (stories)
- Cartoonist and commercial artist turned novelist and short story writer.
- Martin, Vivian (1893-1987) (stories) (assoc.)
- See en.wikipedia.org/wiki/Vivian_Martin
- Martin, Watts (fl. 1990s-2010s) (stories) (assoc.)
- See en.wikifur.com/wiki/Watts_Martin
- Martine, Arkady (fl. 2010s) (stories) (assoc.)
- See arkadymartine.wordpress.com
- Martineau, Harriet (1802-1876) (stories) (assoc.)
- See en.wikipedia.org/wiki/Harriet_Martineau
- Martineck, Michael J. (fl. 2000s-2010s) (stories)
- See michaelmartineck.blogspot.co.uk
- Martinek, Frank V(ictor) (1895-1971) (stories)
- Intended for younger readers.
- Martinengo-Cesaresco, Evelyn (Lilian Hazeldine Carrington) (1852-1931) (stories)
- See jacobeansociety.blogspot.co.uk/2012/07/monday-madwoman-evelyn-martinengo.html
- Martinez, Arantzazu (fl. 2010s) (art)
- See www.arantzazumartinez.com
- Martinez, Christian K. (fl. 2010s) (stories)
- See dayswithaknight.com/about-the-author
- Martinez, Michael J. (fl. 2010s) (stories)
- See michaeljmartinez.net
- Martinez, Pete [i.e., Pedro Pablo Martinez] (1894-1971) (art)
- See pulpartists.com/Martinez.html
- Martínez, Rodolfo (1965- ) (stories)
- See es.wikipedia.org/wiki/Rodolfo_Mart%C3%ADnez
- Martins, Márcio (fl. 2010s) (stories) (assoc.)
- See www.behance.net/MarcioM
- Martinson, Harry (Edmund) (1904-1978) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/martinson_harry
- Martland, Guy T. (fl. 1990s-2010s) (stories)
- See www.guytmartland.co.uk
- Marttila, Melanie (fl. 2010s) (stories)
- See melaniemarttila.ca
- Martyn, Frederic (fl. 1900s-1920s) (stories)
- Spent five years (1889-1894) in the French Foreign Legion; did 18 months at hard labor in an English prison for embezzlement; no birth/death dates found.
- Martyn, Wyndham; pseudonym of William Henry Martin Hosken (1874-1963) (stories) (assoc.)
- See bearalley.blogspot.co.uk/2007/07/wyndham-martyn-biographical-notes.html
- Martyr, (Joseph) Weston (1885-1966) (stories)
- Adventurer for most of his early years: went to sea; was a gold-miner in South Africa, a merchant, a trader; acted as a consul, raced yachts. In 1922 began to write professionally. Born in Southampton, England; died in England.
- Martz, Matt (fl. 2010s) (stories) (assoc.)
- See www.crookedlanebooks.com
- Marusek, David (1951- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/marusek_david
- Maruyama, Kate (fl. 2010s) (stories)
- See katermaruyama.wordpress.com
- Marvell, Andrew (1621-1678) (stories) (assoc.)
- See en.wikipedia.org/wiki/Andrew_Marvell
- Marvingt, Marie (Félicie Elisabeth) (1875-1963) (stories) (assoc.)
- See en.wikipedia.org/wiki/Marie_Marvingt
- Marwood, Alex (fl. 2010s) (stories) (assoc.)
- See www.alexmarwood.com
- Marx, Groucho [i.e., Julius Marx] (1895-1977) (stories) (assoc.)
- See en.wikipedia.org/wiki/Groucho_Marx
- Marx, Harpo [i.e., Arthur Marx] (1888-1964) (stories) (assoc.)
- See en.wikipedia.org/wiki/Harpo_Marx
- Marx, Karl (1818-1883) (stories) (assoc.)
- See en.wikipedia.org/wiki/Karl_Marx
- Mary of Teck [i.e., Victoria Mary Augusta Louise Olga Pauline Claudine Agnes] (1867-1953) (stories) (assoc.)
- See en.wikipedia.org/wiki/Mary_of_Teck
- Marzials, Théophile Julius Henry (1850-1920) (stories)
- See en.wikipedia.org/wiki/Theo_Marzials
- Marzioli, Samuel (fl. 2010s) (stories)
- See marzioli.blogspot.co.uk
- Mascagni, Pietro (Antonio Stefano) (1863-1945) (stories) (assoc.)
- See en.wikipedia.org/wiki/Pietro_Mascagni