| Name | Sex | Language | Meaning(s) | Original Spelling | Notes |
|---|
| Rex | Male | English 773 names | Meaning(s) of Rex: King 20 names | | From Latin rex ("king"). |
| Rhoda | Female | English 773 names | Meaning(s) of Rhoda: Rose 35 names | | From Greek. |
| Rich | Male | English 773 names | Meaning(s) of Rich: Powerful Ruler 4 names | | Short form of Richard. |
| Richard | Male | Czech 29 names English 773 names French 120 names German 170 names | Meaning(s) of Richard: Powerful Ruler 4 names | | |
| Richie | Male | Australian 6 names English 773 names Scottish 76 names | Meaning(s) of Richie: Powerful Rule 2 names | | Pet form of Richard. |
| Rita | Female | English 773 names Scandinavian 81 names | Meaning(s) of Rita: Pearl 41 names | | From the Spanish or Italian form of Margaret. |
| Ritchie | Male | Australian 6 names English 773 names Scottish 76 names | Meaning(s) of Ritchie: Powerful Rule 2 names | | Variant of the name Richie. |
| Robert | Male | English 773 names French 120 names Scandinavian 81 names Scottish 76 names | Meaning(s) of Robert: Bright With Fame 4 names | | |
| Robin | Unisex | English 773 names | Meaning(s) of Robin: Bright With Fame 4 names Robin 1 names | | Pet form Robert, or a reference to the bird. |
| Roderick | Male | English 773 names | Meaning(s) of Roderick: Famous Ruler 5 names | | |
| Rodger | Male | English 773 names French 120 names | Meaning(s) of Rodger: Famous Spear 3 names | | Variant of the name Roger. |
| Roger | Male | English 773 names French 120 names | Meaning(s) of Roger: Famous Spear 3 names | | |
| Roland | Male | English 773 names French 120 names German 170 names Scandinavian 81 names | Meaning(s) of Roland: Famous Land 5 names | | |
| Rolf | Male | English 773 names German 170 names Scandinavian 81 names | Meaning(s) of Rolf: Famous Wolf 8 names | | |
| Ros | Female | English 773 names | Meaning(s) of Ros: Lovely Rose 7 names Pure Rose 3 names | | Short form of Rosalind and Rosamund |
| Rosaleen | Female | English 773 names | Meaning(s) of Rosaleen: Lovely Rose 7 names | | Variant of Rosalyn. |
| Rosalind | Female | English 773 names | Meaning(s) of Rosalind: Lovely Rose 7 names | | Originally Germanic with the meaning of "tender horse", later derived from Latin rosa linda ("lovely rose"). |
| Rosaline | Female | English 773 names | Meaning(s) of Rosaline: Lovely Rose 7 names | | Variant of Rosalind. |
| Rosalyn | Female | English 773 names | Meaning(s) of Rosalyn: Lovely Rose 7 names | | Form of Rosalind. |
| Rosalynne | Female | English 773 names | Meaning(s) of Rosalynne: Lovely Rose 7 names | | Variant of the name Rosalyn. |
| Rosamund | Female | English 773 names | Meaning(s) of Rosamund: Pure Rose 3 names | | Originally from Germanic roots, later derived from Latin. |
| Rosanne | Female | English 773 names | Meaning(s) of Rosanne: God Has Favored Me 19 names Rose 35 names | | From Rose and Anne. |
| Rose | Female | English 773 names | Meaning(s) of Rose: Rose 35 names | | |
| Roselle | Female | English 773 names | Meaning(s) of Roselle: Rose 35 names | | Elaboration of Rose. |
| Rosemary | Female | English 773 names | Meaning(s) of Rosemary: Rosemary 1 names | | From the herb name, literally meaning "sea dew". |
| Rosie | Female | English 773 names | Meaning(s) of Rosie: Rose 35 names | | Pet form of Rose. |
| Rowan | Female | English 773 names | Meaning(s) of Rowan: Rowan 1 names | | Refers to a type of tree. |
| Rowan | Male | English 773 names | Meaning(s) of Rowan: Little Red One 3 names | | |
| Rowland | Male | English 773 names French 120 names German 170 names Scandinavian 81 names | Meaning(s) of Rowland: Famous Land 5 names | | Variant of the name Roland. |
| Rowley | Female | English 773 names | Meaning(s) of Rowley: Famous Land 5 names | | Variant of Roly, pet form of Roland. |
| Roz | Female | English 773 names | Meaning(s) of Roz: Lovely Rose 7 names Pure Rose 3 names | | Variant of Ros. |
| Rozanne | Female | English 773 names | Meaning(s) of Rozanne: God Has Favored Me 19 names Rose 35 names | | Variant of Rosanne. |
| Ruby | Female | English 773 names | Meaning(s) of Ruby: Ruby 7 names | | Refers to a type of gemstone. |
| Rudolf | Male | Czech 29 names Dutch 36 names English 773 names German 170 names Polish 52 names Scandinavian 81 names | Meaning(s) of Rudolf: Famous Wolf 8 names | | |
| Rufus | Male | English 773 names | Meaning(s) of Rufus: Red-haired 4 names | | |
| Rupert | Male | Dutch 36 names English 773 names German 170 names | Meaning(s) of Rupert: Bright With Fame 4 names | | Form of Robert. |
| Russ | Male | English 773 names | Meaning(s) of Russ: Little Red One 3 names | | Short form of Russell. |
| Russell | Male | English 773 names | Meaning(s) of Russell: Little Red One 3 names | | |
| Sabella | Female | English 773 names | Meaning(s) of Sabella: My God is Bountiful 38 names | | Derived from Isabella (ultimately from Elizabeth). |
| Sal | Female | English 773 names | Meaning(s) of Sal: Princess 19 names | | Short form of Sally. |
| Sally | Female | English 773 names | Meaning(s) of Sally: Princess 19 names | | Pet form of Sarah. |
| Salome | Female | English 773 names German 170 names | Meaning(s) of Salome: Peace 23 names | | Ultimately from an Aramaic name meaning "peace". |
| Sam | Male | English 773 names | Meaning(s) of Sam: He (God) Has Hearkened 5 names | | Short form of Samuel. |
| Samantha | Female | English 773 names | Meaning(s) of Samantha: He (God) Has Hearkened 5 names | | From Sam (short for Samuel) and the arbitrary suffix -antha. |
| Sampson | Male | English 773 names | Meaning(s) of Sampson: Sun 19 names | | Variant of the name Samson. |
| Samson | Male | English 773 names | Meaning(s) of Samson: Sun 19 names | | |
| Sandie | Female | English 773 names | Meaning(s) of Sandie: Defender of Humanity 37 names | | Variant of the name Sandy. |
| Sandra | Female | English 773 names Italian 145 names | Meaning(s) of Sandra: Defender of Humanity 37 names | | Short form of Alessandra, Italian form of Alexandra. |
| Sandy | Female | English 773 names | Meaning(s) of Sandy: Defender of Humanity 37 names | | Pet form of Alexandra or Sandra. |
| Sara | Female | English 773 names | Meaning(s) of Sara: Princess 19 names | | Variant of Sarah. |
