| Name | Meaning | Gender | Origin | 
|---|
| Panther | A black leopard | Male |  | 
| Pardo |  | Unisex | Hebrew | 
| Penny | Greek, weaver | Female | English | 
| Pepper | A spice or condiment. | Male | Sanskrit | 
| Pepsi | Brand of cola soft drink. | Male |  | 
| Phantom | Something elusive. A ghost | Unisex |  | 
| Pokey |  | Male | Hebrew | 
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin | 
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin | 
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male |  | 
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male |  | 
| Purdy | Variation on pretty. | Unisex |  | 
| Raven | Dark haired or wise | Female | Word | 
| Reese | ardor | Female | Welsh | 
| Remington | from the raven's home | Male | English | 
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin | 
| Rocky | rest | Male | English | 
| Rolo | Burmese | Unisex |  | 
| Rootbeer |  | Unisex |  | 
| Rose | Flower | Female | Latin | 
| Rosie | From Rose - The most beautiful of flowers | Female | English | 
| Roxy | From Roxanne - Brilliant dawn | Female | English | 
| Ruby | Jewel | Female | Latin | 
| Rufus | Red haired | Male | Latin | 
| Russell | Red as a fox. | Male |  |