| Baby Name | Meaning | Gender |
|---|
| Rodolfo | Spanish Form Of Rudolph Famous Wolf | Male |
| Rodrigo | Famous Ruler. | Male |
| Rolando | Renowned In The Land. Roland Was A Legendary Hero Who Served Charlemagne. | Male |
| Ronaldo | Rules With Counsel. Form Of Ronald. | Male |
| Roque | Rock | Male |
| Rosa | Noted Protector | Female |
| Rosario | Rosary. Refers To Devotional Prayers Honoring Mary. | Male |
| Rui | Regal | Male |
| Rute | Beautiful | Female |
| Santos | Saint | Male |
| Sara | From Sarah In The Bible (Princess) | Female |
| Serafim | An Angel Like Being Of A Lower Order | Male |
| Silvino | Variant Of Sylvanus Referring To The Mythological Greek God Of Trees. | Male |
| Simao | Obedient | Male |
| Sofia | Wise | Female |
| Sonia | | Female |
| Susana | Lily Variant Of Hebrew Susannah. In The Apocryphal Book Of Tobit Susannah Courageously Defended Herself Against Wrongful Accusation. White Lilies Grew In The Biblical City Of Susa In Persia. | Female |
| Suzana | Lily. In The Apocryphal Book Of Tobit Susannah Courageously Defended Herself Against Wrongful Accusation. White Lilies Grew In The Biblical City Of Susa In Persia. | Female |
| Tatiana | Variant Of An Ancient Italian Name; Myth Name | Female |
| Telma | Variant Of Greek Thelma Will: Wilful. | Female |
| Teresa | Harvester | Female |
| Timoteo | Variant Of Timothy One Who Honors God. | Male |
| Tina | River | Female |
| Tomas | Twin | Male |
| Tonio | Highly Praiseworthy. From Anthony. | Male |