| Meaning | laughter, he will laugh |
| Origin | Hebrew |
| Gender | Boy |
| Popularity | Moderate |
| Length | 4 |
| Syllables | 2 |
| Syllabification | I-sac |
Streamlined and instantly recognizable, this spelling variation offers traditional resonance with a contemporary twist. Isac maintains all the historical weight and religious significance of its more common counterpart while providing subtle distinction through its efficient spelling. The name's two syllables create a straightforward, honest impression—there's no pretense here, just solid, dependable character. Boys named Isac tend to possess that enviable quality of being simultaneously approachable and capable, much like their name suggests. It works seamlessly across cultural contexts, requiring no explanation or special pronunciation guidance. For parents who want time-tested reliability with a touch of individuality, this spelling choice demonstrates thoughtfulness without seeming contrived. Isac is a name that serves well in every setting, from casual introductions to professional résumés.
| Ike |
| Zac |
| Izzy |
| Sac |
| Isac Elliot | Finnish pop singer |
| Isac Lidberg | Swedish ballet dancer |
| Isac Vunić | Serbian basketball player |
| Isac de Vega | Spanish footballer |
| Isac Santos | Brazilian volleyball player |
| Isac Ekblad | Finnish footballer |
| Isac Henningsen | Danish handball player |
| Isac Peña | Venezuelan singer |
| Isac Jakobsson | Swedish musician |
| Isac Paulin | Swedish actor |
| Isac Jönsson | Swedish speed skater |
| Isac Norén | Swedish singer |
| Isac Berglund | Swedish curler |
| Isac Pettersson | Swedish basketball player |
| Isac Näslund | Swedish alpine skier |
| Isac Lundeström | Swedish tennis player |
| Isac Papadopoulos | Greek footballer |
| Isac Elliot Green | American actor |
| Isac Vaahtera | Finnish racewalker |
| Isac Clarke | protagonist in the video game "Dead Space" |
| Isac Goddard | character in the book series "The Mortal Instruments" |
| Isac Waer | character in the book series "The Demon Cycle" |
| Isac Hernandez | character in the TV show "On My Block" |
| Isac Ryan | character in the TV show "Shameless" |
| Isac Salazar | character in the movie "La Bamba" |