- Maltz
- Maltz (24th century)
- Malur
- Maluria
- Malurian
- Malvak, son of Jorq
- Malvestia
- Malvestia IV
- Malvolia
- Malvoy
- Malyn Ocett
- Malzami
- Mamay
- Mamma mia
- Mammal
- Mamos
- Mamoul
- Mamox
- Man-Fai Wan
- Man o' War
- Man of the People
- Manak
- Manan'Agar
- Manark
- Manark IV
- Manark V
- Manas
- Manathas
- Mance
- Mancharan starhopper
- Manchester
- Manchester Druids
- Manchester United
- Manchu
- Mancuso
- Mancuso (medic)
- Mand
- Manda Tor
- Mandai Baatl
- Mandala Flynn
- Mandalay sauce
- Mandana
- Mandara
- Mandarin
- Mandarin (position)
- Mandel
- Mandel System Patrol
- Mandela
- Mandela City
- Mandela system
- Mandisa
- Mandrak
- Mandrak VI
- Mandreggan moonblossom
- Mandukam class
- Mandylion
- Mandylion (disambiguation)
- Mandylion (star)
- Mandylion Rift
- Mandylion V
- Mandylor
- Mandylor V
- Mandylorian
- Manea
- Maneka
- Manetta Lundy
- Maneuvering thruster
- Maneuvers
- Manevri
- Manfred
- Manfred (disambiguation)
- Manfred Foley
- Manfred Vogel
- MangHom qaD
- Manga
- Manganese
- Mango
- Mangonaisse
- Manhattan
- Manhattan (disambiguation)
- Manhattan (shuttlecraft)
- Manhattan Project
- Manheim (disambiguation)
- Manheim Event
- Manheim Temporal Research Facility
- Manhunt
- Manhunt (STO)
- Manhunt pool
- Manifest Destiny
- Manifest Destiny, Issue 1
- Manifest Destiny, Issue 2
- Manifest Destiny, Issue 3
- Manifest Destiny, Issue 4
- Manifest destiny
- Manila Clipper
- Manimoujak
- Manitoba (disambiguation)
- Manitoba Journal of Interplanetary Psychology
- Manitoba system
- Manjula Rahda
- Mankiewicz
- Manlikt (planet)
- Mann
- Mann (disambiguation)
- Mann class
- Mannequin
- Manning
- Manning (disambiguation)
- Manning Dox 1
- Manojlovich
- Manolet Dayrit
- Manos Treo
- Manraloth
- Mansfield
- Manta
- Manta system
- Mantichoras
- Mantickian olive
- Manticle
- Manticore class
- Mantilis
- Mantilles
- Mantis (species)
- Mantis planet
- Mantis zoo
- Mantle
- Mantor
- Mantra
- Manu
- Manu III
- Manuel (disambiguation)
- Manuel Lund
- Manuel Prado
- Manuele Atoa
- Manuil
- Manurda
- Manure
- Manute
- Manutor
- Manway
- Manx
- Many Splendors
- Manzene
- Manón
- Manón's
- Mao
- Mao (23rd century)
- Mao (24th century)
- Mao Tse-Tung
- Mao Tse-Tung People's Collective University
- Maori
- Map
- Mapa bread
- Maparian ale
- Maporian ale
- Maps and Legends
- Maq
- Maqbari
- Maquis
- Mar
- Mar'eq
- Mar'koth
- Mar'na F'ullhy
- Mar'na Memorial Stadium
- Mar'zek
- Mar-Atyya
- Mar Daraan
- Mar Loc
- Mara
- Mara (Betazoid)
- Mara (Jabari)
- Mara (Klingon)
- Mara Kadray
- Mara Klein
- Mara Tonn
- Mara Ying
- Mara system
- Maraar class
- Marab
- Marab, son of K'Vagh
- Marac
- Marac Polis
- Maracu
- Maraji crystal
- Marak
- Maraltian seev-ale
- Maran Bry
- Maranga
- Marani
- Maranu Vann
- Marar Ferat
- Maras
- Marasa
- Marasa (Klingon)
- Marassian wool
- Marat
- Marat Lon
- Maratekkan
- Maratekkan brandy
- Marathon
- Marauder (disambiguation)
- Marauder Mo
- Marauder class
- Marauders
- Maravel
- Marayna's nebula
- Marc Alaimo
- Marc Carlson
- Marc Chagall
- Marc D. Giller
- Marc Offenburger
- Marc Okrand
- Marc Rueda
- Marc Tomson
- Marcabot Palace
- Marcan
- Marcan V
- Marcel Javier
- Marcel Proust
- Marcella DiFalco
- Marcellin
- March
- March (Captain)
- March (Crewman)
- March (disambiguation)
- Marching Goddess
- Marcia O'Bannon
- Marcia O'Bannon (24th century)
- Marciak
- Marcios
- Marcipex
- Marcipor
- Marcipor II
- Marciulonis
- Marco
- Marco Palmieri
- Marco Polo
- Marco Polo (22nd century)
- Marcos
- Marcos (planet)
- Marcos XII
- Marcos system
- Marcus
- Marcus (planet)
- Marcus Aurelius
- Marcus Aurelius Johnson
- Marcus Bee
- Marcus Bertrand
- Marcus Brennan
- Marcus Claudius
- Marcus Garvey
- Marcus Gerrard
- Marcus Holt
- Marcus Junius Brutus
- Marcus O'Herlihy
- Marcus Paulk
- Marcus Refelian
- Marcus Tal (23rd century)
- Marcus Tal (24th century)
- Marcus Tiercellus (23rd century)
- Marcus Tiercellus (24th century)
- Marcus Volcinius
- Marcus Williams
- Marcus system
- Mard
- Mardah
- Mardak
- Mardel
- Mardella
- Mardelva
- Mardelva system
- Mardelvan
- Mardi Gras
- Mardion
- Mardion III
- Mardral
- Marel
- Marel (Bajoran)
- Maren
- Maren Alpha
- Mareza Tabrieze
- Marg Layton
- Margaret
- Margaret Atwood
- Margaret C. Clark
- Margaret Clark
- Margaret Houlihan
- Margaret Issen
- Margaret Kuykendall
- Margaret Leary
- Margaret Mitchell
- Margaret Mullin
- Margaret O'Sullivan
- Margaret Sinclair-Alexander
- Margaret Swenderson
- Margaret Thatcher
- Margaret Wander Bonanno
- Margaret deSilva
- Margarita
- Margaritifer Terra
- Margat Sea
- Margh
- Margie
- Margin
- Margin (disambiguation)
- Margin of Profit
- Marginal Existence
- Margo Dempsey
- Margolin
- Margolis
- Margon zantai-Demma
- Margud Tundra
- Marguerite Clark
- Marguerite Nipar
- Marguerite Sherman
- Marh
- Mari
- Mari ni Connal
- Mari system
- Maria (disambiguation)
- Maria Alvarez
- Maria Caycedo
- Maria Huxley
- Maria Mantia
- Maria Moi
- Maria Morelli
- Maria Olifante
- Maria Onizuka
- Maria Patterson
- Maria Sanchez
- Maria Stachow
- Maria Takagi
- Maria Wallace
- Mariah
- Mariah Henley
- Mariah IV
- Mariah Willoughby
- Marian
- Marian Bates (23rd century)
- Marian Bates (24th century)
- Marian McAllum
- Mariana City
- Marianne Getreu
- Maribou Flats
- Marie-Therese Orsay