| Mary-Kate et Ashley Olsen | Mary-Kate and Ashley Olsen |
| Mary-Sue | Mary Sue |
| Maryam Jamal | Maryam Yusuf Jamal |
| Maryam Radjavi | Maryam Rajavi |
| Maryknoll | Maryknoll |
| Maryland | Maryland |
| Marysville | Marysville |
| marâthî | Marathi |
| marâtre | stepmother |
| Março | Março |
| Marèchal | Mareşal |
| Marèges | Marèges |
| Marène | Coregonus albula |
| marécage | fen |
| marécages | bayou |
| marécageux | boggy |
| maréchal | marshal |
| maréchal de camp | field marshal |
| Maréchal de France | Marshal of France |
| Maréchal des logis | Sergeant |
| Maréchal des logis chef | PC |
| Maréchal général des camps et armées du roi | Marshal General of France |
| maréchal-ferrant | blacksmith |
| maréchale-ferrante | farrier |
| maréchalerie | farriery |
| Maréchaussée royale | Royal Marechaussee |
| marée | tide |
| Marée atmospherique | Atmospheric tide |
| marée basse | low tide |
| Marée de | Flood of |
| marée descendante | low tide |
| marée haute | flood tide |
| marée montante | flux |
| marée noire | oil pollution |
| Marée polaire | Polar tide |
| marée rouge | red tide |
| Marée stellaire | Startide Rising |
| marée verte | green tide |
| Marées | Tide |
| marées de printemps | spring tide |
| Marégraphe | Tide gauge |
| Marí Alkatiri | Mari Alkatiri |
| María Capovilla | María Capovilla |
| María Consuelo Araújo | María Consuelo Araújo |
| María de las Mercedes de Borbón-Dos Sicilias | Maria Mercedes of Bourbon-Two Sicilies |
| María Dolores Pradera | María Dolores Pradera |
| María Isabel | María Isabel |
| María Luisa Bombal | María Luisa Bombal |
| María Rojo | María Rojo |
| María Trinidad Sánchez | María Trinidad Sánchez Province |
| María Valverde | María Valverde |
| María Zambrano | María Zambrano |
| Marília Atlético Clube | Marília Atlético Clube |
| Mas-des-Cours | Mas-des-Cours |
| Masaaki Endou | Masaaki Endoh |
| Masaaki Hatsumi | Masaaki Hatsumi |
| Masaccio | Masaccio |
| Masaharta | Masaherta |
| Masahiko Komura | Masahiko Kōmura |
| Masahisa Fujita | Masahisa Fujita |
| Masakazu Katsura | Masakazu Katsura |
| Masaki Aizawa | Masaki Aizawa |
| Masalit | Masalit |
| Masami Yūki | Masami Yuki |
| Masamune Date | Date Masamune |
| Masamune Shirow | Masamune Shirow |
| Masan | Masan |
| Masaniello | Masaniello |
| Masanobu Ando | Masanobu Ando |
| Masanobu Fukuoka | Masanobu Fukuoka |
| Masanori Yusa | Masanori Yusa |
| Masao Takemoto | Masao Takemoto |
| Masaru Emoto | Masaru Emoto |
| Masashi Kishimoto | Masashi Kishimoto |
| Masashi Oguro | Masashi Oguro |
| Masashi Tashiro | Masashi Tashiro |
| Masashige Jojo | Jojo Masashige |
| Masashige Kusunoki | Kusunoki Masashige |
| Masato | Masato |
| Masatomo Ashikaga | Ashikaga Masatomo |
| Masatoshi Koshiba | Masatoshi Koshiba |
| Masayoshi Matsukata | Matsukata Masayoshi |
| Masayoshi Ōhira | Masayoshi Ōhira |
| Masayuki Sanada | Sanada Masayuki |
| Masayuki Uemara | Masayuki Uemura |
| mascara | mascara |
| mascarade | masquerade |
