| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 181 | Marcio | Italian | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 182 | Marco | Italian | Italian form of Marcus: Mars (Roman god of war). Famous Bearer: Marco Polo (1254-1324), explorer from Venice. Warring. | M | |
| 183 | Mario | Italian | Bitter. | M | |
| 184 | Marquise | Italian | A title name ranking below duke and above earl. | M | |
| 185 | Martino | Italian | Warrior of Mars. | M | |
| 186 | Martinus | Italian | Warrior of Mars. | M | |
| 187 | Matteo | Italian | Gift of God. | M | |
| 188 | Maurio | Italian | Dark-skinned; A Moor. | M | |
| 189 | Maurizio | Italian | Italian form of Maurice 'dark skinned'. | M | |
| 190 | Mauro | Italian | Dark-skinned; A Moor. | M | |
| 191 | Maximiliano | Italian | The greatest. | M | |
| 192 | Maximino | Italian | The greatest. | M | |
| 193 | Maximo | Italian | The greatest. | M | |
| 194 | Michel | Italian | Italian form of Michael 'God like'. | M | |
| 195 | Michelangelo | Italian | Who is like God an angel. | M | |
| 196 | Michele | Italian | Italian form of Michael 'God like'. | M | |
| 197 | Montae | Italian | Mountain. Abbreviation of Montague and Montgomery. | M | |
| 198 | Montay | Italian | Mountain. Abbreviation of Montague and Montgomery. | M | |
| 199 | Monte | Italian | Mountain. Abbreviation of Montague and Montgomery. | M | |
| 200 | Montel | Italian | Mountain. Abbreviation of Montague and Montgomery. | M | |