Juan Andreu Almazán (May 12, 1891 – October 9, 1965) was a Mexican revolutionary general, politician and businessman.
He held high posts in the Mexican Army in the 1920s and ran for the presidency of Mexico in 1940 in a highly disputed election, having accumulated great wealth from construction.
General Almazán became one of Mexico's wealthiest citizens at the beginning of the 1940s.