- Macabe, Arthur (fl. 2010s) (items) (chron.)
- See arthurmacabe.com
- McAbee, K. G. (fl. 1990s-2010s) (items) (chron.)
- See kgmcabee.blogspot.co.uk
- McAdams, T. S. (fl. 2010s) (items) (chron.)
- See www.beneath-ceaseless-skies.com/authors/t-s-mcadams
- McAfee, David (Gregory) (1989- ) (items) (chron.)
- See en.wikipedia.org/wiki/David_G._McAfee
- McAllister, Angus (1943-2023) (items) (chron.)
- See sf-encyclopedia.com/entry/mcallister_angus
- McAllister, Bruce (Hugh) (1946- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mcallister_bruce
- McAllister, David (fl. 2010s) (items) (chron.)
- See gallifreyanbuccaneer905439277.wordpress.com
- MacAllister, Dean (fl. 2010s) (items) (chron.)
- See www.goodreads.com/author/show/6864554.Dean_MacAllister
- MacApp, C. C.; pseudonym of Carroll M. Capps (1913-1971) (items) (chron.)
- See www.sf-encyclopedia.com/entry/macapp_c_c
- Macardle, Dorothy (Marguerite Callan) (1889-1958) (items); Note: Her birth middle name was Margaret.
- See en.wikipedia.org/wiki/Dorothy_Macardle
- McArdle, Jennifer Jeanne (fl. 2010s-2020s) (items) (chron.)
- See jenniferjeannemcardle.blogspot.com
- MacArthur, Jodi (fl. 2000s-2010s) (items) (chron.)
- See www.jodimacarthur.blogspot.co.uk
- McArthur, Maxine (1962- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mcarthur_maxine
- Macaulay, (Emilie) Rose (1881-1958) (items)
- See www.sf-encyclopedia.com/entry/macaulay_rose
- McAuley, Paul J. (1955- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mcauley_paul_j
- Macauley, Wayne (fl. 1990s-2010s) (items) (chron.)
- See waynemacauley.com
- McAulty, Todd; pseudonym of John O’Neill (fl. 2000s-2020s) (items) (chron.)
- See sf-encyclopedia.com/entry/oneill_john
- McAusland, William (fl. 2000s-2020s) (items) (chron.)
- See www.mcauslandstudios.com/artist.htm
- MacAvoy, R(oberta) A(nn) (1949- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/macavoy_r_a
- McBain, Alison (fl. 2010s-2020s) (items) (chron.)
- See www.alisonmcbain.com
- MacBain-Stephens, Jennifer (fl. 2010s) (items) (chron.)
- See jennifermacbainstephens.wordpress.com
- MacBeth, George (Mann) (1932-1992) (items) (chron.)
- See www.sf-encyclopedia.com/entry/macbeth_george
- McBrayer, Sasha Janel (fl. 2010s-2020s) (items) (chron.)
- See storybysasha.blogspot.co.uk
- McBrearty, Jenean (fl. 2010s-2020s) (items) (chron.)
- See jeneanmcbrearty.brandyourself.com
- McBreen, Brendan (fl. 2000s-2020s) (items) (chron.)
- See www.imagineauburn.com/poetry/brendan.htm
- MacBride, Stuart (1969- ) (items) (chron.)
- See en.wikipedia.org/wiki/Stuart_MacBride
- McBride, Tracie (fl. 2000s-2010s) (items) (chron.)
- See traciemcbridewriter.wordpress.com
- McBryde, James (1874-1904) (items)
- See www.kings.cam.ac.uk/archive-centre/online-resources/online-exhibitions/james-mcbryde-kings-own-dr-seuss
- McCabe, (Christopher) John (1967- ) (items) (chron.)
- Geneticist living in Birmingham.
- McCabe, Joseph (1972- ) (items) (chron.)
- See en.wikipedia.org/wiki/Joseph_McCabe_(editor)
- McCabe, Nancy (1962- ) (items)
- See regalhousepublishing.com/nancy-mccabe
- McCaffrey, Anne (Inez) (1926-2011) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccaffrey_anne
- McCaffrey, Gigi (fl. 2010s) (items)
- Daughter of Anne McCaffrey.
- McCaffrey, Laura Williams (fl. 2000s-2020s) (items) (chron.)
- See laurawilliamsmccaffrey.com
- McCaffrey, Todd; [born Todd Johnson] (1956- ); previously known as Todd Johnson (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccaffrey_todd
- McCain, Zach (fl. 2000s-2010s) (items) (chron.)
- See www.zachmccain.com
- McCall, Becca (fl. 2010s) (items) (chron.)
- See punkyourself.wordpress.com
- McCall, Guadalupe Garcia (fl. 2000s-2010s) (items) (chron.)
- See en.wikipedia.org/wiki/Guadalupe_Garcia_McCall
- McCalmont, Jonathan (fl. 2000s-2010s) (items) (chron.)
- See ruthlessculture.com
- McCanless, Walter F(rederick) (1876-1965) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2012/05/walter-f-mccanless-1876-1965.html
- McCann, Edson; pseudonym of Frederik Pohl & Lester del Rey (fl. 1950s) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccann_edson
- McCann, Gerald (Patrick) (1916-1995) (items) (chron.)
- See pulpartists.com/McCannG.html
- McCann, Kevin (Patrick) (1954- ) (items) (chron.)
- See www.beul-aithris-publishing.com/2021/10/writers-block-kevin-mccann.html
- McCardell, Roy L(arcom) (1870-1961) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccardell_roy_l
- McCarron, Meghan (fl. 2000s-2010s) (items) (chron.)
- See www.tor.com/members/Meghan_McCarron
- McCarten, Anthony (1961- ) (items)
- See en.wikipedia.org/wiki/Anthony_McCarten
- McCarter, Robert J. (fl. 2010s-2020s) (items) (chron.)
- See robertjmccarter.com/about-robert
- McCarthy, Cormac; [born Charles Joseph McCarthy Jr.] (1933-2023) (items)
- See en.wikipedia.org/wiki/Cormac_McCarthy
- McCarthy, Mary (Therese) (1912-1989) (items)
- Born in Seattle.
- McCarthy, Sean Padraic (fl. 2000s-2010s) (items) (chron.)
- See www.transmundanepress.com/sean-padraic-mccarthy.html
- McCarthy, T. C. (fl. 2010s) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccarthy_t_c
- McCarthy, Wil(liam Terence) (1966- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccarthy_wil
- McCartney, J. D. (fl. 2010s) (items) (chron.)
- See grantvillegazette.com/author/mccartney_j
- McCartney, Paul (1942- ) (items)
- See en.wikipedia.org/wiki/Paul_McCartney
- McCarty, Edward Clayton (Jr.) (1901-1986) (items) (chron.)
- Born in Louisville, Kentucky; died in Alpine, Texas, where he was chairman of the Theatre of the Big Bend.
- MacCath, C(eallaigh) S. (fl. 2000s-2020s) (items) (chron.)
- See csmaccath.com
- McCauley, Harold W(illiam) (1913-1977) (items) (chron.)
- See pulpartists.com/McCauley.html
- McCharles, Randy (fl. 2000s-2010s) (items) (chron.)
- See randymccharles.weebly.com
- McClary, Thomas Calvert (1909-1972) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mcclary_thomas_calvert
- McClellan, Brian (fl. 2000s-2020s) (items) (chron.)
- See www.brianmcclellan.com
- McClintic, Winona (1921-c2003) (items) (chron.)
- See adeeplookbydavehook.wordpress.com/2024/01/26/winona-mcclintic-who
- McClinton, Malcolm (fl. 1990s-2010s) (items) (chron.)
- See www.deviantart.com/hanged-man
- McCloy, Helen (Worrell Clarkson) (1904-1992); previously known as Helen Clarkson (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccloy_helen
- MacClure, Victor; pseudonym of Thom MacWalter (1887-1963) (items) (chron.)
- See www.sf-encyclopedia.com/entry/macclure_victor
- McCluskey, Gary (fl. 1980s-2020s) (items) (chron.)
- See garymccluskey.carbonmade.com
- McClusky, Thorp (1906-1975); used pseudonym Ray P. Shotwell (items) (chron.)
- Free-lance writer, former editor of Motor magazine; also wrote juveniles and a book on chiropractics. Studied music at Syracuse University. During the 1960’s he lived in Atlantic Highlands, New Jersey. Probably died in Eatontown, Monmouth, New Jersey.
- McCollum, Michael A(llen) (1946- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/mccollum_michael_a