- Moore, (Joseph) Ward (1903-1978) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/moore_ward
- Moorer, Melissa (fl. 2000s-2010s) (stories)
- See www.melissamoorer.com
- Moores, M. J. (fl. 2010s) (stories)
- See mjmoores.com
- Mór, Caiseal (1961- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Caiseal_M%C3%B3r
- Moraine, Sunny; pseudonym of Sarah Wanenchak (1980s- ) (stories) (assoc.)
- See sunnymoraine.com
- Morais, Larissa (fl. 2010s) (art)
- See www.larissamorais.com/about.html
- Morales, Georgina (fl. 2010s) (stories)
- See diaryofawriterinprogress.blogspot.co.uk
- Moran, Dan (fl. 2000s-2010s) (art)
- See www.dan-moran-art.com
- Moran, Daniel Keys (1962- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/moran_daniel_keys
- Moran, James (1972- ) (stories)
- See en.wikipedia.org/wiki/James_Moran_(writer)
- Moran, Jenna Katerin (1972- ) (stories)
- See en.wikipedia.org/wiki/Jenna_K._Moran
- Morden, Simon (fl. 1990s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Simon_Morden
- Mordtmann, A(ugust) J(ustus) (1839-1912) (stories)
- See tellersofweirdtales.blogspot.co.uk/2014/12/aj-mordtmann-1839-1912.html
- More, [Sir] Thomas (1478-1535) (stories)
- See www.sf-encyclopedia.com/entry/more_sir_thomas
- Morehead, Mark Patrick (fl. 2010s) (stories)
- See zombieprooffence.blogspot.co.uk
- Moreno-Garcia, Silvia (fl. 2000s-2010s) (stories) (assoc.)
- See silviamoreno-garcia.com/blog/about
- Morey, Leo [i.e., Leopoldo Morey y Pena] (1899-1965) (stories) (art) (assoc.)
- See pulpartists.com/Morey.html
- Morgan, Aaron (fl. 2010s) (art)
- See www.aaronmorganart.com
- Morgan, Bassett; pseudonym of Grace Jones (1884-1977) (stories) (assoc.)
- See desturmobed.blogspot.co.uk/2011/12/bassett-morgan.html
- Morgan, Cheryl (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/Cheryl_Morgan
- Morgan, Chris (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morgan_chris
- Morgan, Christine (Marie Atkins) (fl. 2000s-2010s) (stories) (assoc.)
- See www.smashwords.com/profile/view/christinemorgan
- Morgan, Dan (1925-2011) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morgan_dan
- Morgan, J(ill) M(eredith) (1946- ) (stories)
- See www.sf-encyclopedia.com/entry/morgan_j_m
- Morgan, Mike (fl. 2000s-2010s) (stories) (assoc.)
- See perpetualstateofmildpanic.wordpress.com
- Morgan, Richard K(ingsley) (1965- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morgan_richard
- Morgan-Dunham, Ethel [born Edna Ethel Morgan] (1880-1960) (stories)
- See tellersofweirdtales.blogspot.co.uk/2017/05/ethel-morgan-dunham-1880-1960.html
- Morgon, Roh (fl. 2010s) (stories)
- See www.rohmorgon.com
- Morgulis, Eugene L. (fl. 2010s) (stories)
- See fantasyscrollmag.com/authors/eugene-l-morgulis/
- Moriarty, Chris (1968- ) (stories)
- See www.sf-encyclopedia.com/entry/moriarty_chris
- Morley, Christopher (Darlington) (1890-1957) (stories) (assoc.)
- See en.wikipedia.org/wiki/Christopher_Morley
- Morley, Dan (fl. 2010s) (stories)
- See danmorley.storytellersinn.com
- Morley, Lewis (fl. 2010s) (art)
- See www.morleypride.com
- Morning, Ellis (fl. 2010s) (stories)
- See www.ellismorning.com
- Morphett, Tony [i.e., Anthony David Morphett] (1938-2018) (stories)
- See www.sf-encyclopedia.com/entry/morphett_tony
- Morrell, David (Bernard) (1943- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/David_Morrell
- Morressy, John (1930-2006) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morressy_john
- Morris, Bob (1950- ) (stories)
- See www.bobmorris.net
- Morris, Bonnie (J.) (1961- ) (stories)
- See www.bonniejmorris.com
- Morris, Chris(topher Crosby) (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_chris
- Morris, David Z. (fl. 2010s) (stories)
- See davidzmorris.com
- Morris, Edward (Robert, Jr.) (1973- ) (stories)
- See www.sf-encyclopedia.com/entry/morris_edward
- Morris, Gouverneur (1876-1953) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_gouverneur
- Morris, Grayson Bray (fl. 2010s) (stories) (assoc.)
- See www.graysonbraymorris.com
- Morris, Harry O. (1949- ) (stories) (art) (assoc.)
- See www.centipedepress.com/authors/morris.html
- Morris, Janet E(llen) (1946- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_janet_e
- Morris, Jim (1937- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_jim
- Morris, Jonathan (1973- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_jonathan
- Morris, Keith Lee (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/Keith_Lee_Morris
- Morris, Kenneth (Vennor) (1879-1937) (stories) (assoc.)
- See en.wikipedia.org/wiki/Kenneth_Morris_(author)
- Morris, Michael Neal (fl. 2000s) (stories)
- See mnmwrite.blogspot.co.uk
- Morris, William (1834-1896) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morris_william
- Morris, Wright (1910-1998) (stories)
- See www.sf-encyclopedia.com/entry/morris_wright
- Morrish, Robert (fl. 1980s-2010s) (stories)
- See www.twilightridge.net
- Morrison, John (fl. 2000s-2010s) (stories)
- See oregonpoeticvoices.org/poet/201
- Morrissette, Micaela (1979- ) (stories)
- See us.macmillan.com/author/micaelamorrissette
- Morrow, James (Kenneth) (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/morrow_james
- Morrow, William C(hambers) (1853-1923) (stories)
- See www.sf-encyclopedia.com/entry/morrow_w_c
- Morse, Elizabeth [born Elizabeth McCall] (1884-1970) (stories)
- Born in Rochester, New York; married Gordon R. Morse while living in Shanghai; died in Ohio.
- Morse, Oak (fl. 2010s) (stories)
- See www.oakmorse.com
- Mortensen, William (Herbert) (1897-1965) (stories) (assoc.)
- See en.wikipedia.org/wiki/William_Mortensen
- Mortimer, January (fl. 2000s) (stories)
- See januaryhat.livejournal.com
- Morton, Charles W(alton, Jr.) (1899-1967) (stories)
- See en.wikipedia.org/wiki/Charles_Morton_(editor)
- Morton, Henry (1836-1902) (stories)
- See en.wikipedia.org/wiki/Henry_Morton_(scientist)
- Morton, J(ohn Cameron Andrieu) B(ingham Michael) (1893-1979) (stories)
- See www.sf-encyclopedia.com/entry/morton_j_b
- Morton, Lisa Nohealani (fl. 2010s) (stories)
- See www.lnmorton.com
- Morwood, Peter [name legally changed from Robert Peter Smith] (1956- ) (stories) (assoc.)
- original name may have been Robert Peter Smyth. Born and educated in Ireland; came to the U.S. and married co-author Diane (Elizabeth) Duane, and they later relocated to Ireland.
- Moscoe, Michael (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/moscoe_mike
- Moses, Kingsley (1890?-?) (stories)
- Journalist, editor, spent time abroad. Born in Philadelphia, Pennsylvania; lived in East Hampton, New York.
- Mosiman, Billie Sue (1947-2018) (stories)
- See www.fantasticfiction.com/m/billie-sue-mosiman/
- Moskalik, Aaron (fl. 2010s) (stories)
- See www.bewilderingstories.com/bios/moskalik_aaron_bio.html
- Moskovitz, Jack (1935- ) (stories)
- Former disk jockey and retired civil servant, living in Nebraska.
- Moskowitz, Sam(uel Martin) (1920-1997) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/moskowitz_sam
- Mosley, Erica (fl. 2010s) (stories)
- See www.ericamosley.com
- Mosley, Walter (Ellis) (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/mosley_walter
- Mosquera, Victor (fl. 2010s) (art)
- See www.victormosquera.com
- Moss, Sarah (1975- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sarah_Moss
- Moss, Stephen L. (fl. 2000s-2010s) (stories)
- See stephenlmoss.com
- Mossa, Andres (fl. 2010s) (art)
- See amwd.blogspot.co.uk
- Mossalim, Jihane (fl. 2010s) (art)
- See www.jihanemossalim.com
- Mostecký, Jaroslav (1963- ) (stories)
- See en.wikipedia.org/wiki/Jaroslav_Mosteck%C3%BD
- Moté, Rajiv (fl. 2010s) (stories)
- See rajivmote.blogspot.co.uk
- Mott, William Michael (fl. 1990s-2010s) (stories) (art)
- See www.mottimorphic.com
- Mottla, Kristina C. (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/kristina-c-mottla/
- Moudy, Walter F(rank) (1929-1973) (stories)
- See www.sf-encyclopedia.com/entry/moudy_walter
- Mowery, William Byron (1899-1957) (stories)
- Teacher, naturalist and novelist. Born in Adelphia, Ohio; on faculty at University of Illinois, then became full time writer, with more than 450 published stories, screenwriter.
- Moyer, J. D. (fl. 2010s) (stories) (assoc.)
- See www.jdmoyer.com
- Moylan, Tom [i.e., Thomas P. Moylan] (1943- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/moylan_tom
- Muddock, J(ames) E(dward) (1843-1934) (stories)
- Born in Southampton; educated partly in India and began working in a gun foundry near Calcutta; traveled widely in the East, writing for English papers and magazines.
- Mudie, Paul (fl. 1990s-2010s) (art)
- See www.paulmudie.com
- Muenzler, Michelle (1976- ) (stories)
- See mmuenzler.livejournal.com
- Muffaz, Afifah Myra (1981- ) (stories)
- See www.ammuffaz.com
- Mugnaini, Joseph (1912-1992) (art)
- See en.wikipedia.org/wiki/Joseph_Mugnaini
- Muhammad-Ali, Khaalidah (fl. 2010s) (stories) (assoc.)
- See www.khaalidah.com
- Muir, Willa [née Anderson] (1890-1970) (stories)
- See en.wikipedia.org/wiki/Willa_Muir
- Muk, Derek (fl. 1990s-2010s) (stories)
- See theoccultfilesofalberttaylor.wordpress.com/about
- Mulford, (Mitchell) Stockton (1886-1960) (art)
- See pulpartists.com/Mulford.html
- Mulkey, Erica (fl. 2010s) (stories)
- See unwoman.com
- Mullaney, Andrea (fl. 2000s-2010s) (stories)
- See andreamullaney.com
- Mullen, R(ichard) D(ale) (1915-1998) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/mullen_r_d
- Mullen, Stanley (1911-1973) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/mullen_stanley
- Muller, C. M. (fl. 2010s) (stories)
- See chthonicmatter.wordpress.com