| Meaning | laughter |
| Origin | Hebrew |
| Gender | Boy |
| Popularity | Moderate |
| Length | 5 |
| Syllables | 2 |
| Syllabification | I-zaac |
Izaac transforms a biblical classic into something distinctly modern through its alternative spelling, creating immediate visual interest and conversation potential. This variation maintains the name's historical and religious significance while establishing individuality through the double-a construction that adds visual balance and contemporary flair. The spelling choice signals creativity and willingness to personalize tradition rather than simply accepting established norms. Izaac benefits from instant recognition—everyone knows how to pronounce it—while the unique spelling ensures your son won't be confused with multiple Isaacs in his peer group. The name carries connotations of laughter, joy, and blessing from its ancient roots, positive associations that influence how others respond to your child. Izaac works beautifully across different ages and contexts, sounding both youthful and mature depending on the situation. This name choice represents thoughtful consideration of heritage and individuality, honoring tradition while embracing personal expression and distinctive identity formation.
| Ike |
| Zac |
| Izzy |
| Issy |
| Izey |
| Izaac Mizrahi | American fashion designer |
| Izaac Colunga | American singer-songwriter |
| Izaac Enciso | Mexican footballer |
| Izaac Quek Yong | Singaporean tennis player |
| Izaac Kennedy | Australian rower |
| Izaac MacDonald | Canadian ice hockey player |
| Izaac Wolf | American musician |
| Izaac DeHart | American figure skater |
| Izaac Williamson | British actor |
| Izaac Goulart | Brazilian footballer |
| Izaac Gray | American football player |
| Izaac Ferreira | Portuguese actor |
| Izaac Brown | Australian athlete |
| Izaac Wang | Singaporean badminton player |
| Izaac Wright | American swimmer |
| Izaac Lush | British rugby player |
| Izaac Rivera | Character in the novel "Echoes of Silence" by Elana Johnson |
| Izaac Morgan | Character in the TV show "Siren" |
| Izaac Cassian | Character in the novel "The Sound of Stars" by Alechia Dow |
| Izaac Goodwin | Character in the movie "The Kings of Summer" |
| Izaac Kettleblack | Character in the "A Song of Ice and Fire" series by George R.R. Martin |
| Izaac Fenton | Character in the TV show "The Haunting of Bly Manor" |
| Izaac Clarke | Character in the video game "Dead Space" |
| Izaac Garfield | Character in the novel "Circe" by Madeline Miller |
| Izaac Sharp | Character in the movie "The Last Witch Hunter" |
| Izaac Walton | Character in the movie "High-Rise" |
| Izaac Rutherford | Character in the TV show "Penny Dreadful" |
| Izaac McGregor | Character in the movie "Hereditary" |
| Izaac Reisinger | Character in the book "Out of the Easy" by Ruta Sepetys |
| Izaac Collins | Character in the TV show "The Originals" |
| Izaac Ivanov | Character in the video game "Crysis" |
| Izaac O'Connor | Character in the movie "The Giver" |
| Izaac Simmons | Character in the TV show "Containment" |
| Izaac Montez | Character in the movie "Transformers - Age of Extinction" |
| Izaac Carrington | Character in the TV show "Dynasty" |
| Izaac Jennings | Character in the movie "The Devil's Advocate" |