| Meaning | God is gracious |
| Origin | English, Hebrew |
| Gender | gender neutral |
| Opposite gender | Jack |
| Popularity | Popular |
| Length | 4 |
| Syllables | 1 |
| Syllabification | Jack |
Straightforward, strong, no-nonsense—Jack delivers everything in four powerful letters. This name has endured for generations because it simply works. There's an everyman quality that's simultaneously humble and heroic, suggesting someone reliable and capable without pretension. Jack feels equally at home on a construction site or in a corporate office, a testament to its versatile, classless appeal. Despite its brevity, the name carries surprising depth, appearing in countless stories, songs, and cultural references that add layers of meaning. It's friendly yet serious, traditional yet eternally fresh. Jack requires no explanation, no spelling correction, no pronunciation guide—it's immediately understood and universally accessible. The single syllable packs remarkable punch, creating memorable impact with minimal sound. Parents choosing Jack often value simplicity, honesty, and substance over flash. It's a name that lets the person define it rather than the other way around.
| Jackie |
| Jacky |
| JJ |
| Jack Nicholson | American actor |
| Jack Black | American actor and musician |
| Jack London | American author |
| Jack Ma | Chinese entrepreneur |
| Jack Dorsey | American businessman, co-founder of Twitter |
| Jack Johnson | American singer-songwriter |
| Jack Lemmon | American actor |
| Jack White | American musician |
| Jack Ryan | Fictional character from novels by Tom Clancy |
| Jack Bauer | Fictional character from the TV series "24" portrayed by Kiefer Sutherland |
| Jack Dawson | Fictional character from the movie "Titanic" portrayed by Leonardo DiCaprio |
| Jack Frost | Fictional character associated with winter folklore |
| Jack Skellington | Fictional character from the movie "The Nightmare Before Christmas" |
| Jack Harkness | Fictional character from the TV series "Doctor Who" and "Torchwood" |
| Jack Shephard | Fictional character from the TV series "Lost" portrayed by Matthew Fox |
| Jack Sparrow | Fictional character from the movie franchise "Pirates of the Caribbean" portrayed by Johnny Depp |
| Jack Reacher | Fictional character from novels by Lee Child |
| Jack Torrance | Fictional character from the novel "The Shining" by Stephen King |