Given name & surname
Isaak
“full of laughter”
Isaak is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Meaning & origin
What it means
Isaak is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Explained through its name family
Where it comes from
Isaak is a variant of Isaac. An origin associated with Isaac is Hebrew.
Explained through its name family
How it developed
From Latin Isaāc, from Ancient Greek Ἰσαᾱ́κ, from Biblical Hebrew יִצְחָק (Yiṣḥāq, “he laughs”).
Adapted from Wiktionary (CC BY-SA 4.0)
The story
Published U.S. birth records include this spelling as early as 1976. This is the earliest published observation available here, rather than a date for the name’s origin. Isaak 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
Isaak through the years
- Babies since 1880
- 4,271
- 4,271 boys · 0 girls
- Most popular year
- 2009
- 218 babies
- 2025
- 48
- #2,693 for boys
- 2021–25 vs 2016–20
- −41%
- Cooling
Where it’s given
By the numbers
In 2025, this name appeared in 48 U.S. birth records for boys, ranking No. 2,693 among boys’ names. Average annual use for boys was 41.0% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 218 in 2009. In 2025, Texas had the largest reported state-level birth count for boys with this name (8). Published U.S. population figures for this spelling include 4,028 as a first name in 2020; 1,334 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.
Isaak’s family of names
In Afrikaans usage, Isaak has a diminutive in SAKKIE. Isaak has a related form in Isaac. In German usage, Isaak has a conventional equivalent in the English form Isaac.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Isaak has relatives in 49 languages.
39 related names in 49 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 9
Diminutives, pet forms, short forms and variants used alongside the name.
- Isaacvariant · German, English
- Isakvariant · German, Swedish
- Isacvariant · German, Romanian
- Isaackvariant · German
- Isackvariant · German
- Issaaklikely variant
- Sakkiediminutive · Afrikaans
- Isaacsvariant · German
Show 1 moreShow fewer
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 43
Equivalents and cognates in other languages, plus older forms it grew from.
- Issacequivalent
- Ikeequivalent
- Ishaqace
- Izaacequivalent
- Izaakequivalent
- IzakDutch, Croatian
- IshaaqHausa
- Yitzhakequivalent
Show 35 moreShow fewer
- Ishakequivalent
- Itzhakequivalent
- Icchakequivalent
- Isaachequivalent
- Iiroequivalent
- Isachequivalent
- Ísakequivalent
- Iisakkiequivalent
- IzaäkWest Frisian, Dutch
- ІсакBelarusian
- IzsákHungarian
- ІсаакUkrainian
- İshakTurkish
- ИсхьакъChechen
- IzákCzech
- IsakaSwahili, Malagasy
- IsxaaqSomali
- ИсакSerbian, Macedonian
- Jitschakalso known as · Dutch, Afrikaans
- IzaokasLithuanian
- ItzhakasLithuanian
- ĪzāksLatvian
- ИсхақKazakh
- ЫсқақKazakh
- イサクJapanese
- IsaccoItalian
- ÍosácIrish
- ΙσαάκGreek
- IisakFinnish, Estonian
- ÍsakurFaroese
- IsaakoEsperanto
- İshaqdiq, Azerbaijani
- IzaagBreton
- Is'hakBreton
- IsakuAlbanian
People named Isaak
- Isaac BabelRussian language journalist, playwright, literary translator, and short story writer (1894–1940)
- Isaac LevitanRussian artist (1860-1900)
- Isaac I KomnenosByzantine Emperor1007–1060
- Isaac II AngelosByzantine emperor (1155-1204)
- Isaak DunayevskySoviet composer (1900–1955)
- Isaak BrodskyRussian artist (1884-1939)
- Isaac BoleslavskySoviet chess player (1919–1977)
- IsaakGerman singerborn 1995
- Isaac KomnenosByzantine nobleman, son of Emperor John II Komnenos1113
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Isaak, these share its style, era, origin or sound, from outside its own family.
Tahan
“encampment”
>99% boys
Abiezer
“my father is help” · “father of help”
>99% boys
Kaleb
“resembling an aggressive dog”
>99% boys
Gianni
“God is gracious”
80% boys · 20% girls
Nethaniah
“Yah has given”
>99% boys
Ishant
>99% boys
Yaasir
>99% boys
Izayiah
>99% boys