| Name | Meaning | Gender | Origin |
|---|
| Bunny | little rabbit | Female | Nickname |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Female | |
| Buzzy | | Unisex | Hebrew |
| Cactus | Cactus | Unisex | English |
| Calico | Multi-colored.
| Female | English |
| Calliope | beautiful voice | Female | Greek |
| Cameo | A carved gem portrait.
| Female | Word |
| Camilla | young ceremonial attendant | Female | Latin |
| Candy | Confectionery made with sugar. | Female | English |
| Caper | | Unisex | Hebrew |
| Carlyle | Carl's island | Unisex | |
| Carob | | Unisex | Hebrew |
| Catherine | pure | Female | Greek |
| Catty | | Unisex | Hebrew |
| Cayenne | Red ground spice from several varieties of capsicum | Female | Word |
| Ceasar | Hairy Child, Long Haired | Unisex | Latin |
| Cellophane | | Unisex | Hebrew |
| Ceres | Mythical God Of The Harvest | Female | Latin |
| Chat | | Unisex | Hebrew |
| Cheeky | Bold, impudent and saucy | Unisex | |
| Cheeto | | Unisex | Hebrew |
| Chef | | Unisex | Hebrew |
| Cherry | Various trees that produce red to black fruit. | Female | Fruit |
| Cheshire | | Unisex | Hebrew |
| Cheyenne | Native American tribe living in the North West of the USA. | Female | |