- 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
- Marie (disambiguation)
- Marie Antoinette
- Marie Batel
- Marie Chiang
- Marie Curie
- Marie Durant
- Marie Javins
- Marie Picard
- Marie Severin
- Marie de Medici
- Marielise McCormack
- Mariem
- Marien Zimbata
- Marietta Cheung
- Marijne VII
- Marika Errid
- Marika Wilkarah
- Mariko Nakamura
- Marilee
- Marilyn Hoskin
- Marin
- Marin County
- Marin Liu
- Marina Despina
- Marina Sirtis
- Marinara
- Marinasa
- Marine division
- Marine regiment
- Mariner (disambiguation)
- Mariner 10
- Mariner 2
- Mariner 6
- Marines
- Maringruk
- Mario Boon
- Mario Cardinali
- Mario Runco
- Marion
- Marion (disambiguation)
- Marion Dulmur
- Mariotian sector
- Mariphasa
- Mariphasa IV
- Maripol
- Mariposa
- Mariposa (disambiguation)
- Mariposan
- Mariq
- Maris
- Marisa
- Marissa Flores
- Marita Llorente
- Maritime Law in the Age of Sail
- Maritime Law in the Age of Steam
- Maritime Museum
- Maritza Gonzalez
- Marius
- Marius (Centurion class)
- Marius (Cetratus class)
- Marius (Gladius class)
- Marius (Magna Roman)
- Marius (Patronus class)
- Marius (Securis class)
- Marius (gorilla)
- Marius Bethom
- Marius IV
- Marius Secondus
- Marius system
- Mariya Yevchenkova
- Marja
- Marjat
- Marjono prison camp
- Marjorie Devarona
- Marjorie Montero
- Marjorie Scott
- Marjorie Smith
- Mark
- Mark'veth
- Mark (disambiguation)
- Mark 1
- Mark 17 hauler class
- Mark 4 energy level
- Mark A. Altman
- Mark Allen
- Mark Dodd
- Mark Fischer
- Mark Garland
- Mark Gunther
- Mark Hughes
- Mark II shuttlecraft
- Mark IV tractor web
- Mark Jameson
- Mark Johnson
- Mark Kingsnorth
- Mark Lenard
- Mark McHenry
- Mark McHenry (mirror)
- Mark Moore
- Mark Murata
- Mark Myers
- Mark Overton
- Mark Paniccia
- Mark Piper
- Mark Rademaker
- Mark Reasons
- Mark Roper
- Mark Rousseau
- Mark Soch station
- Mark Stewart
- Mark Stewart (mirror)
- Mark Strigl
- Mark Taylor (23rd century)
- Mark Taylor (24th century)
- Mark Tobiaston
- Mark VII-T
- Mark V personal phaser
- Mark Wacker
- Mark Wellby (23rd century)