Cognomen Larranaga (Larrañaga 
, Larranaga , Ларранага 
) , globally, is quite a common family name. The family name Larranaga is characteristic of Uruguay, where it is quite a common surname, Spain, where it is quite a rare surname, and Fiji. Measured by absolute frequency, the name is most common in Spain, Mexico, and Argentina. Very seldom, Larranaga is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Larranaga, Larrañaga | Spain, Argentina, United States, Mexico, Uruguay |
| Ларранага | Ukraine |
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jim larranaga American basketball player and coach, US (b. 1949) |
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| catalina larranaga American actress, US (b. 1969) |
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| jay larranaga Irish basketball player/coach, US (b. 1975) |
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| ana martin larranaga (b. 1969) |
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| aitor larranaga researcher |
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| daniel larranaga researcher |
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| jim larranaga head coach |
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| jim larranaga college basketball player (1969–1971) Providence |
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| nerea larranaga researcher |
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| jon larranaga college basketball player (2000–2003) George Mason (b. 1980) |
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| bob larranaga college basketball player (1960–1961) St. John's (NY) |
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| nicolas larranaga researcher ORCID ID = 0000-0002-0796-0376 |
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