Türkiye Soyadları A sourced dictionary of Turkish surnames

SURNAMEEntry 2,904

Kayasu

Kayasu /kajaˈsu/

“rock water, a rocky stream”1

Probable origin Kayasu: root entries for kaya + su · How do we know?

Published: Last updated:

Letters / syllables
6 / 3
Formation
Compound
Vowel harmony
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Initial
K
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How do you pronounce Kayasu?

Kayasu

IPA /kajaˈsu/

The stress usually falls on syllable 3 (marked). In everyday Turkish, stress in surnames varies by speaker and region.

What does the surname Kayasu mean?

Built from kaya “rock” and su “water”, the name evokes water springing from rock or a stream among rocks. Kayasu is also the name of a small town in the Akören district of Konya.1,2

Grammar Compound kaya + su.

That Kayasu goes back to kaya and su is probable rather than proven: the dictionaries cited agree on it.

What is Kayasu made of?

Kayasu is Turkic in origin and breaks into 2 parts: kaya (kaya: rock) + su (su: water, stream).

Kayasu + root kaya kaya: rock TURKIC kaya “rock” root su su: water, stream TURKIC su “water; stream” Kayasu kaya root kaya: rock kaya TURKIC “rock” su root su: water, stream su TURKIC “water; stream”
Kayasu: parts and root words

How was the name Kayasu formed?

Kayasu was formed by joining kaya (“kaya: rock”) and su (“su: water, stream”).

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

Which surnames are related to Kayasu?

Kayasu Kaya Akkaya Çetinkaya Karakaya Sarıkaya Özkaya
Circle area shows the number of bearers; dashed circle: no national count published. Solid line: same root; dashed line: same affix.
#SurnameRelationRankPeople
01 Kaya same root 2 899,722
02 Akkaya same root – –
03 Çetinkaya same root – –
04 Karakaya same root – –
05 Sarıkaya same root – –
06 Özkaya same root – –
07 Yalçınkaya same root – –
08 Kayalı same root – –
09 Kızılkaya same root – –
10 Şahinkaya same root – –
11 Yerlikaya same root – –
12 Kayacan same root – –

Who are some well-known people named Kayasu?

  1. Sacit Kayasu lawyer 1952–2014

People surnamed Kayasu as recorded in Wikidata, ordered by the number of Wikipedia language editions.

How is Kayasu written and pronounced abroad?

The name has no Turkish-specific letters and is written Kayasu abroad as well; y is a consonant as in “yes”.

Which surnames have a meaning similar to Kayasu?

Kayapınar, Taşbulak and Taşpınar share gloss keywords with Kayasu within the same primary category.

Which guides add context to Kayasu?

Read the root, formation and register information for Kayasu alongside these guides: How Turkish Surnames Are Formed: Roots and Suffixes and How to research a Turkish surname and family tree.

Where do these facts come from?

  1. 1 Sevan Nişanyan Nişanyan Sözlük: kaya accessed 8 November 2026
  2. 2 Sevan Nişanyan Nişanyan Sözlük: su accessed 8 November 2026
  3. 3 Wikimedia Vikisözlük: Kayasu accessed 9 November 2026
  4. 4 Wikimedia Foundation Wikidata: people with this family name 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
  6. 6 Türkiye İstatistik Kurumu (TÜİK)ADNKS TÜİK Nüfus İsim Portalı: En çok kullanılan soyisimler (ADNKS) accessed 8 November 2026

Common questions about Kayasu

Q1

What does the surname Kayasu mean?

Built from kaya “rock” and su “water”, the name evokes water springing from rock or a stream among rocks. Kayasu is also the name of a small town in the Akören district of Konya.
Q2

What is the origin of the surname Kayasu?

Kayasu is made up of two elements: kaya “rock” (Turkic) and su “water; stream” (Turkic).
Q3

How do you pronounce Kayasu?

Ka·ya·su, 3 syllables; IPA: /kajaˈsu/.