| Name | Meaning | Favorites |
| Rico | Strong ruler | |
| Roana | Reddish-brown skin | |
| Roberto | Famous | |
| Rosalia | Combination of Rose and Lily | |
| Rosalind | Fair Rose | |
| Rosaline | Fair Rose | |
| Roz | Derived from rosalind | |
| Sancha | Holy | |
| Sanson | Of the sun | |
| Santiago | Form of james | |
| Senalda | A sign | |
| Senona | Lively | |
| Silverio | Greek god of trees | |
| Silvino | Greek god of trees | |
| Sonora | Pleasant sounding | |
| Tadeo | Praise | |
| Taurino | Bull like | |
| Tauro | Bull like | |
| Telmo | Saint Elmo | |
| Teresa | Harvester | |