Surname Baykal (Baykal 
, Баикал 
, Баыкал ) , in all the world, is a common last name. The cognomen Baykal is habitual in Turkey, where it is quite a common surname, Austria, where it is quite a rare surname, and Denmark, where it is a rare surname. Measured by absolute frequency, the name is most common in Turkey, Germany, and the United States. Much less frequently, Baykal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baykal | Turkey, Germany, China, Austria, United States |
| Баикал, Баыкал | Russia |
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mehmet recai baykal Turkish politician, TR (b. 1883) |
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deniz baykal Turkish politician, TR (b. 1938) |
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melek baykal Turkish actress, TR (b. 1954) |
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| i̇smail hakkı baykal Turkish politician, TR (b. 1905) |
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| bekir sıtkı baykal Turkish politician, TR (b. 1908) |
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| bekir sıtkı baykal Turkish politician (1910-1984), TR (b. 1910) |
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ayfer baykal Danish politician (b. 1976) |
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| rıfat baykal Turkish politician, TR (b. 1926) |
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| baykal saran Turkish actor, TR (b. 1937) |
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| aysel baykal Turkish politician, TR (b. 1939) |
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| baykal kent Turkish actor, TR (b. 1943) |
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| reşat baykal TR (b. 1940) |
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| azat baykal (b. 1945) |
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| derya baykal actor, TR (b. 1957) |
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| fahrettin baykal (b. 1948) |
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