Türkiye Soyadları A sourced dictionary of Turkish surnames

SURNAMEEntry 3,075

Kocabıyıkoğlu

Kocabıyıkoğlu /kodʒabɯjɯkoːˈɫu/ ASCII Kocabiyikoglu

“son of Kocabıyık (‘big moustache’)”1

Probable origin Kocabıyıkoğlu: root entries for koca + bıyık · How do we know?

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Letters / syllables
13 / 6
Formation
Patronymic
Vowel harmony
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Initial
K
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How do you pronounce Kocabıyıkoğlu?

Kocabıyıkoğlu

IPA /kodʒabɯjɯkoːˈɫu/

The stress usually falls on syllable 6 (marked). In everyday Turkish, stress in surnames varies by speaker and region.

What does the surname Kocabıyıkoğlu mean?

Kocabıyık, from koca “big” and bıyık “moustache”, with -oğlu added: literally “son of Kocabıyık (Big Moustache)”. In Turkish culture a full moustache was long seen as a mark of manhood and standing.1,2

That Kocabıyıkoğlu goes back to koca and bıyık is probable rather than proven: the dictionaries cited agree on it.

What is Kocabıyıkoğlu made of?

Kocabıyıkoğlu is Turkic in origin and breaks into 3 parts: koca (koca: big, huge) + bıyık (bıyık: moustache) + -oğlu (son of, descendant of).

Kocabıyıkoğlu ++ root koca koca: big, huge TURKIC koca “big, huge” root bıyık bıyık: moustache TURKIC bıyık “moustache” suffix -oğlu son of, descendant of Kocabıyıkoğlu koca root koca: big, huge koca TURKIC “big, huge” bıyık root bıyık: moustache bıyık TURKIC “moustache” -oğlu suffix son of, descendant of
Kocabıyıkoğlu: parts and root words

How was the name Kocabıyıkoğlu formed?

Kocabıyıkoğlu was formed by adding -oğlu, “son of”, to koca + bıyık.

Shared note · 1934Surnames became compulsory with Surname Law No. 2525 of 21 June 1934.5

Which surnames are related to Kocabıyıkoğlu?

Kocabıyıkoğlu Koca Kocabaş Kocatürk Kocaoğlu Kocaman Kocabıyık
Circle area shows the number of bearers; dashed circle: no national count published. Solid line: same root; dashed line: same affix.
#SurnameRelationRankPeople
01 Koca same root – –
02 Kocabaş same root – –
03 Kocatürk same root – –
04 Kocaoğlu same root – –
05 Kocaman same root – –
06 Kocabıyık same root – –
07 Karabıyık same root – –
08 Bıyık same root – –
09 Palabıyık same root – –
10 Kocatepe same root – –
11 Akbıyık same root – –
12 Bıyıklı same root – –

How is Kocabıyıkoğlu written and pronounced abroad?

In records without Turkish letters the name usually appears as Kocabiyikoglu.

Which surnames have a meaning similar to Kocabıyıkoğlu?

Arslanoğlu, Büyüktürkoğlu and Kayaoğlu share gloss keywords with Kocabıyıkoğlu within the same primary category.

Which guides add context to Kocabıyıkoğlu?

Read the root, formation and register information for Kocabıyıkoğlu alongside these guides: How Turkish Surnames Are Formed: Roots and Suffixes and How to Pronounce and Spell Turkish Surnames.

Where do these facts come from?

  1. 1 Sevan Nişanyan Nişanyan Sözlük: koca accessed 9 November 2026
  2. 2 Sevan Nişanyan Nişanyan Sözlük: bıyık accessed 8 November 2026
  3. 3 Wikimedia Vikisözlük: koca accessed 8 November 2026
  4. 4 Wikimedia Wiktionary: bıyık accessed 8 November 2026
  5. 5 T.C. Resmî Gazete / Mevzuat Bilgi Sistemi (mevzuat.gov.tr) Soyadı Kanunu (Kanun No. 2525) accessed 8 November 2026

Common questions about Kocabıyıkoğlu

Q1

What does the surname Kocabıyıkoğlu mean?

Kocabıyık, from koca “big” and bıyık “moustache”, with -oğlu added: literally “son of Kocabıyık (Big Moustache)”. In Turkish culture a full moustache was long seen as a mark of manhood and standing.
Q2

What is the origin of the surname Kocabıyıkoğlu?

Kocabıyıkoğlu is made up of two elements: koca “big, huge” (Turkic) and bıyık “moustache” (Turkic).
Q3

How do you pronounce Kocabıyıkoğlu?

Ko·ca·bı·yı·koğ·lu, 6 syllables; IPA: /kodʒabɯjɯkoːˈɫu/.