Cognomen Ağar (Agar 
, Ağar 
) , worldwide, is a common last name. The cognomen Ağar is habitual in Turkey, where it is quite a common surname, Estonia, where it is quite a rare surname, and Ireland. Measured by absolute frequency, the name is most common in Turkey, the United Kingdom, and Philippines. Likewise, Ağar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agar | Philippines, United Kingdom, India, Turkey, United States |
| Ağar | Turkey, United States, Germany |
| reşit ağar Turkish politician, TR (b. 1875) |
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| sait ağar Turkish politician, TR (b. 1920) |
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| halil ağar Turkish politician, TR (b. 1920) |
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| mehmet ağar Turkish politician, TR (b. 1951) |
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| abdullah ağar Turkish soldier, TR (b. 1967) |
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| tolga ağar Turkish businessperson and politician, TR (b. 1975) |
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Ali, Ali̇, Arif, Arzu, Abdi, Adem, Asim, Asli, Ayaz, Ayla, Aziz, Azra, Cenk, Cuma, Banu, Baki, Berk, Buse, Kaan, Rami, Dudu, Gaye, Alev, Gazi, Sefa, Sema, Ata, Can, Cem, Nuh, Ela, Eda, Ece, Ege, Efe, Isa, Oya, Mert, Meti, Musa, Sara, Sami, Sait, Sati, Suna, Sude, Suat, Seda, and Gül