| Name | Meaning | Gender | Origin |
| Marrok | A knight thought to be a werewolf. | M | Arthurian Legend |
| Mars | bold warrior | M | Latin |
| Mars Leucetius | God worshipped at Bath. | M | Anglo-Saxon |
| Marsali | Pearl. | F | Gaelic |
| Marschall | Steward. | M | English |
| Marsden | From the marsh valley. | M | English |
| Marsena | Bitterness of a bramble. | F | Biblical |
| Marsh | From the marsh. | M | English |
| Marsha | Form of MARCIA | F | Latin |
| Marshal | Steward. Also/ a law enforcement officer's title. | M | English |
| Marshall | Horse Keeper | M | French |
| Marsil | Warring. | F | Latin |
| Marsila | Warring. | F | Latin |
| Marsile | Warring. | F | Latin |
| Marsilla | Warring. | F | Latin |
| Marsten | Town near the marsh. | M | English |
| Marston | From the farm by the pool 'Town near the marsh.'. | M | English |
| Marsyas | A satyr. | M | Greek |
| Marta | From the name MARTHA | F | English |
| Martainn | Warlike. | M | Gaelic |
| Marteena | Feminine of Martin: warring. | F | French |
| Martel | Warrior of Mars. | M | German |
| Martell | hammerer | M | English |
| Martella | Warring. | F | Latin |
| Marten | Warrior of Mars. | M | Scandinavian |
| Martext | As You Like It' Son of Sir Rowland de Boys. 'As You Like It' Sir Oliver Martext/ a vicar. | M | Shakespearean |
| Martha | Lady | F | Hebrew |
| Marthe | Bitter. | F | Hebrew |
| Marti | Diminutive of Martha: Lady. | F | Aramaic |
| Martial | Warring. | M | Latin |
| Martie | Diminutive of Martha: Lady. | F | Aramaic |
| Martin | Warlike | M | Latin |
| Martina | Who Loves Everyone/ Warlike | F | Latin |
| Martine | Warlike one | F | French |
| Martinek | Warring. | M | Czechoslovakian |
| Martinez | Warring. | M | Spanish |
| Martinien | Warring. | M | Latin |
| Martino | Warrior of Mars. | M | Italian |
| Martinus | martial/ war-like | M | Latin |
| Martius | The Tragedy of Titus Andronicus' Son to Titus Andronicus. | M | Shakespearean |
| Marton | Warrior of Mars. | M | Hungarian |
| Martuska | Bitter or grace. | F | Hungarian |
| Marty | Warlike | M | Latin |
| Martyn | Warrior of Mars. | M | English |
| Maru | round | F | Japanese |
| Ma'ruf | Known. Celebrated. | M | Muslim |
| Marullus | The Tragedy of Julius Caesar' A tribune. | M | Shakespearean |
| Maruska | Bitter. | F | Czechoslovakian |
| Marusya | Bitter. | F | Russian |
| Marut | A storm god. | M | Hindi |