| Name | Meaning | Gender | Origin |
|---|
| Moody Blue | | Unisex | Hebrew |
| Mr Blue | | Unisex | |
| Mr. Blue | | Unisex | Hebrew |
| Neela | sapphire blue | Female | Hindi |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Pacific Blue | | Unisex | Hebrew |
| Purrcy Blue | | Unisex | |
| Rigel | Foot. Rigel is a blue star of the first magnitude that marks the hunter's left foot in the Orion constellation.
| Male | |
| Shamus Blue | | Unisex | Hebrew |
| Sir Tigger The Blue | after Tigger in Winnie the Pooh | Unisex | |
| Sky Blue | | Unisex | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| The Duke Alexander Blue | | Unisex | Hebrew |