| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Marcos | Portuguese | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 22 | Marques | Portuguese | Of Mars; the god of war. A title name ranking below duke and above earl. | M | |
| 23 | Mateus | Portuguese | Gift of God. | M | |
| 24 | Maureo | Portuguese | Dark-skinned; A Moor. | M | |
| 25 | Mauricio | Portuguese | Dark-skinned; A Moor. | M | |
| 26 | Miguel | Portuguese | Form of Michael 'Who is like God?'. | M | |
| 27 | Patricio | Portuguese | Patrician; noble. Form of Patrick. | M | |
| 28 | Paulino | Portuguese | Little. Form of Paul. | M | |
| 29 | Paulo | Portuguese | Little. Form of Paul. | M | |
| 30 | Pedro | Portuguese | A rock. Form of Peter. | M | |
| 31 | Ricardo | Portuguese | Powerful; strong ruler. | M | |
| 32 | Roberto | Portuguese | Famed; bright; shining. | M | |
| 33 | Rodrigo | Portuguese | Famous ruler. | M | |
| 34 | Roque | Portuguese | Rock. | M | |
| 35 | Rosario | Portuguese | Rosary. Refers to devotional prayers honoring Mary. | M | |
| 36 | Silverio | Portuguese | Variant of Sylvanus referring to the mythological Greek god of trees. | M | |
| 37 | Teodoro | Portuguese | God given. | M | |
| 38 | Valente | Portuguese | Strong. Variant of Valentinus; the name of more than 50 saints and three Roman emperors. | M | |
| 39 | Vicente | Portuguese | Conquering. | M | |
| 40 | Vidal | Portuguese | Life. Used as both surname and given name. See also Vito. | M | |