Juan Mejía may refer to:
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Juan Mejía (baseball) (born 2000), Dominican professional baseball player
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Juan Mejía González
''Juan'' is a given name, the Spanish language, Spanish and Manx language, Manx versions of ''John (given name), John''. The name is of Hebrew origin and has the meaning "God has been gracious." It is very common in Spain and in other Spanish-spea ...
(born 1975), Mexican drug lord
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Juan Andrés Mejía (born 1986), Venezuelan politician
{{hndis, Mejía, Juan