| Meaning | dark village, coal town |
| Origin | English |
| Gender | gender neutral |
| Opposite gender | Colby |
| Popularity | Moderate |
| Length | 5 |
| Syllables | 2 |
| Syllabification | Col-by |
Friendly, approachable, and effortlessly likeable—Colby is the name equivalent of a genuine smile. There's an inherent warmth here, a casualness that puts people at ease without sacrificing substance. The name has been around long enough to feel established but never oversaturated the market, keeping it fresh and individualistic. Colby works beautifully for a child and ages gracefully into adulthood, avoiding that awkward disconnect some cute baby names create. It's got a slight preppy edge without being pretentious, outdoor charm without being rustic. The two syllables are balanced and easy, making it simple for everyone from grandparents to preschool teachers to say correctly. Colby suggests someone personable and grounded, successful without being stuffy. It's genuinely versatile, fitting any personality your son develops while giving him a solid, positive foundation.
| Col |
| Coby |
| CB |
| Colby Covington | American mixed martial artist |
| Colby Rasmus | American baseball player |
| Colby Lewis | American baseball player |
| Colby O'Donis | American singer-songwriter |
| Colby Donaldson | American actor and television personality |
| Colby Armstrong | Canadian ice hockey player |
| Colby Keller | American adult film actor |
| Colby Genoway | Canadian ice hockey player |
| Colby Bockwoldt | American football player |
| Colby Woodmansee | American baseball player |
| Colby Cave | Canadian ice hockey player |
| Colby Wadman | American football player |
| Colby Smith | American football player |
| Colby Cameron | American football player |
| Colby Fleener | American football player |
| Colby Allard | American baseball player |
| Colby Whitlock | American football player |
| Colby Pearson | American football player |
| Colby Robak | Canadian ice hockey player |
| Colby Gutierrez-Kraybill | American musician and producer |
| Colby Thorne | TV series "Home and Away" |
| Colby Kent | Book series "Dark Artifices" by Cassandra Clare |
| Colby Brock | YouTube personality |
| Colby Smith | TV series "Skins" |
| Colby Jacoby | TV series "The Sopranos" |
| Colby Kline | TV series "CSI - Miami" |
| Colby Langer | TV series "The O.C" |
| Colby Zadrozny | TV series "Gossip Girl" |
| Colby Granger | TV series "Criminal Minds" |
| Colby Chandler | TV series "As the World Turns" |
| Colby Carmichael | Film "Burning Blue" |
| Colby Parker Jr. | TV series "Felicity" |
| Colby Masters | TV series "EastEnders" |