Boy name
Oncay name: origin, pronunciation & similar names
Oncay is a two-syllable masculine given name used in Türkiye. Its Turkish element -ay means both the moon and a month as a unit of time. Similar names include Olcay, meaning good fortune, luck or auspiciousness, and Onay, meaning approval, acceptance and consent.
The name Oncay at a glance
Syllables
On · cay
2 syllables · 5 letters · /ond͡ʒaj/
Use
Boy
1 in our sample of notable people (Wikidata).
Parts of the name
- -ay“moon; month” · Turkish
The meanings of these parts are recorded in dictionaries.
Source: Wiktionary
Similar names with known meanings
Ay means “moon” in Turkish and appears in names such as Berkay and Eray. Other names ending in these letters, such as Altay, have a different formation. More boy names ending in -ay →
Oncay: language and spelling facts
The name Oncay contains -ay.
How to pronounce Oncay
| Syllables | 2 · 5 letters |
|---|---|
| IPA | /ond͡ʒaj/ |
Is Oncay a boy’s name?
Yes, Oncay is used mostly as a boy’s name. See all boy names.
Oncay does not appear in TÜİK’s top-30 lists (Türkiye and provinces, up to 2025). In our sample of notable people (Wikidata), 1 people bear it; this is not a national figure.
Spellings and similar names
Names that sound like Oncay
- Olcay♂♀Good fortune, luck, auspiciousness
- Onay♂♀Approval, acceptance and consent
- Oktay♂Name associated with the Mongol ruler Ögedei
- Okay♂Arrow and moon
- Onat♂Proper, careful, fitting and well-ordered
- Okyay♂Arrow and bow
- Olgay♂Fortunate, lucky
- Onar♂An injunction to repair or improve
- Ongan♂Fortunate
- Oskay♂
- Ocak♂Hearth
- Ocan♂That one is a dear friend
Famous people named Oncay
- Oncay Yasa · b. 1990
FAQ about the name Oncay
Is Oncay a boy’s name?
Yes, Oncay is used mostly as a boy’s name.
How many syllables does Oncay have?
Oncay has 2 syllables and 5 letters.
How popular is the name Oncay?
Oncay does not appear in TÜİK’s top-30 lists (Türkiye and provinces, up to 2025). In our sample of notable people (Wikidata), 1 people bear it; this is not a national figure.
Famous people named Oncay?
Notable people named Oncay include Oncay Yasa.
Sources and method
Meanings and origins draw on language sources and name dictionaries; popularity figures come from TÜİK’s address-based population register, and notable people from Wikidata.
Entry ID: nm13238 · Updated 2026-10-24 · How we research names · Report a mistake