Given name & surname · also Ukrainian
Ostap
“steadfast, stable”
Ostap is a masculine given name from Ukrainian, ultimately from Ancient Greek.
Original UkrainianОстап
Meaning & origin
What it means
Ostap is a romanization of Остап. Остап means “steadfast, stable.”
Explained through its name family
Where it comes from
Ostap comes from Ukrainian, and ultimately from Ancient Greek.
Adapted from Wiktionary (CC BY-SA 4.0)
How it developed
In English usage, Ostap developed from Εὐστάθιος.
The story
Published U.S. birth records include this spelling as early as 2013. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Ostap through the years
- Babies since 1880
- 47
- 47 boys · 0 girls
- Most popular year
- 2025
- 11 babies
- 2025
- 11
- #7,547 for boys
- 2021–25 vs 2016–20
- +100%
- Rising fast
By the numbers
In 2025, this name appeared in 11 U.S. birth records for boys, ranking No. 7,547 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 166 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Ostap’s family of names
In English usage, Ostap shares an earlier linguistic root with Eustace. In Ukrainian usage, Ostap is a transliteration of Остап. In English usage, Ostap developed from the Ancient Greek form Εὐστάθιος.
Inner ring: spellings · outer: across languages.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 30
Equivalents and cognates in other languages, plus older forms it grew from.
- Eustaquioequivalent
- Eustacioequivalent
- Eustacedoublet · English
- Efstathiosequivalent
- Eustaquiequivalent
- Eustazioequivalent
- Eustachyequivalent
- Eustacheequivalent
Show 22 moreShow fewer
- Eustachequivalent
- Eustácioequivalent
- Στάθηςequivalent
- Eustacchioequivalent
- Євстахійequivalent
- Eustathiusequivalent
- Eustasioequivalent
- Ευστάθιοςequivalent
- Eustasiusequivalent
- Evstahijequivalent
- Евстатийequivalent
- Eustathiosequivalent
- Eusztákequivalent
- Stathisequivalent
- Eustatheequivalent
- Eustachijusequivalent
- Eustácequivalent
- Eustáquioequivalent
- Eustazyequivalent
- Eustachioequivalent
- Евстафийequivalent
- Εὐστάθιοςroot · Ancient Greek
People named Ostap
- Ostap VyshniaUkrainian writer (1889–1956)
- Ostap DashkevychUkrainian Cossack leader1470–1536
- Ostap SlyvynskyUkrainian poet, essayist, translator, literary critic, and academicborn 1978
- Ostap VeresaiUkrainian kobzar and folk musician (1803–1890)
- Ostap Lutskyi1883–1941
- Ostap SemerakUkrainian politicianborn 1972
- Ostap NyzhankivskyUkrainian conductor, composer and politician (1863-1919)
- Ostap SteckiwAssociation football player (1924–2002)
- Ostap Terlet︠s︡kyi1850–1902
Characters named Ostap: Ostap Bender (fictional conman from Ilf and Petrov's novels).
Listed by how widely each person is written about, which says nothing about the name itself.
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If you love Ostap, these share its style, era, origin or sound, from outside its own family.
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