Cognomen Leka (Leka 
, Letter 
, Leak ) , all around the world, is a common last name. The family name Leka is habitual in Albania, where it is a common surname, Kosovo, where it is quite a common surname, and Greece. In absolute terms, the name is most common in Albania, the United States, and the Democratic Republic of the Congo. Much less frequently, Leka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Leka | Democratic Republic of the Congo, Greece, Albania, United States, Ethiopia |
| Letter | Indonesia, United Kingdom, Italy, Malaysia, United States |
| Leak | Indonesia, United Kingdom, Malaysia, United States, Ethiopia |
| Лека | Ukraine, Bulgaria, Kazakhstan, Russia |
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xavière de leka French actress (1881–1914), FR (b. 1881) |
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| hilmi leka AL (b. 1912) |
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| dhora leka Albanian composer, AL (b. 1923) |
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kaisa leka Finnish artist, FI (b. 1978) |
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leka zogu Albanian Crown Prince, AL (b. 1982) |
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| novrus leka (b. 1924) |
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| leka kruta (b. 1927) |
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| leka i zogu Crown Prince of Albania (1939-2011), AL (b. 1939) |
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| leka bungo actor, AL (b. 1943) |
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| paul leka American songwriter, pianist, arranger, and orchestrator, US (b. 1943) |
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| gazmend leka Albanian artist, AL (b. 1953) |
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| gjergj leka A prominent Albanian-Italian Composer, Instrumentalist, Singer, Songwriter, and TV presenter (b. 1962) |
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| leka rrudha (b. 1955) |
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| arian leka Albanian writer and poet, AL (b. 1966) |
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| spiro leka basketball player (1966-), AL (b. 1966) |
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