Given name & surname
Isak
“full of laughter”
Isak is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Meaning & origin
What it means
Isak is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Explained through its name family
Where it comes from
Isak is a variant of Isaac. An origin associated with Isaac is Hebrew.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1979. This is the earliest published observation available here, rather than a date for the name’s origin. Isak is a variant of Isaac. The history of Isaac gives this family its wider story. In biblical tradition, Isaac is the name of the son of Abraham.
Combines direct and name-family evidence
Isak through the years
- Babies since 1880
- 1,107
- 1,107 boys · 0 girls
- Most popular year
- 2004
- 57 babies
- 2025
- 38
- #3,154 for boys
- 2021–25 vs 2016–20
- −2%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 38 U.S. birth records for boys, ranking No. 3,154 among boys’ names. Average annual use for boys was 2.3% lower in 2021–2025 than in 2016–2020. In 2025, Texas had the largest reported state-level birth count for boys with this name (7). Published U.S. population figures for this spelling include 1,319 as a first name in 2020; 341 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Isak’s family of names
Isak shares a linguistic root with Isaac. In Swedish usage, Isak has a conventional equivalent in the German form Isaak. Isak has a related form in Isaac.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Isak has relatives in 6 languages.
6 related names in 6 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 3
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
Across languages 19
Equivalents and cognates in other languages, plus older forms it grew from.
People named Isak
- Isak HienSwedish footballer (born 1999)
- Isak SamokovlijaBosnian writer (1889–1955)
- Isak AndicSpanish businessman (1953–2024)
- Isak Abrahamsengymnast1891–1972
- Isak SabaSami politician, teacher, and poet (1875-1921)
- Isak FreyNorwegian biathlete (born 2003)
- Isak Hansen-AarøenNorwegian association football playerborn 2004
- Isak JanssonSwedish association football playerborn 2002
- Isak Dybvik MäättäNorwegian footballerborn 2001
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Isak, these share its style, era, origin or sound, from outside its own family.
Abiezer
“my father is help” · “father of help”
>99% boys
Tahan
“encampment”
>99% boys
Nethaniah
“Yah has given”
>99% boys
Kaleb
“resembling an aggressive dog”
>99% boys
Zechariah
“God has remembered”
>99% boys
Issaih
>99% boys
Yoni
“dove” · “God has given”
>99% boys
Ishant
>99% boys