| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Leopoldo | Portuguese | A bold man. | M | |
| 22 | Luciano | Portuguese | Form of Luke. 'Light; illumination.'. | M | |
| 23 | Lucio | Portuguese | Form of Luke. 'Light; illumination.'. | M | |
| 24 | Marco | Portuguese | Of Mars; the god of war. | M | |
| 25 | Marcos | Portuguese | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 26 | Marques | Portuguese | Of Mars; the god of war. A title name ranking below duke and above earl. | M | |
| 27 | Mateus | Portuguese | Gift of God. | M | |
| 28 | Maureo | Portuguese | Dark-skinned; A Moor. | M | |
| 29 | Mauricio | Portuguese | Dark-skinned; A Moor. | M | |
| 30 | Miguel | Portuguese | Form of Michael 'Who is like God?'. | M | |
| 31 | Patricio | Portuguese | Patrician; noble. Form of Patrick. | M | |
| 32 | Paulino | Portuguese | Little. Form of Paul. | M | |
| 33 | Paulo | Portuguese | Little. Form of Paul. | M | |
| 34 | Pedro | Portuguese | A rock. Form of Peter. | M | |
| 35 | Ricardo | Portuguese | Powerful; strong ruler. | M | |
| 36 | Roberto | Portuguese | Famed; bright; shining. | M | |
| 37 | Rodrigo | Portuguese | Famous ruler. | M | |
| 38 | Roque | Portuguese | Rock. | M | |
| 39 | Rosario | Portuguese | Rosary. Refers to devotional prayers honoring Mary. | M | |
| 40 | Silverio | Portuguese | Variant of Sylvanus referring to the mythological Greek god of trees. | M | |