Juozas Vinča (27 November 1905, in Šiauliai – 29 August 1990, in Boston, MA)[1] was a Lithuanian boxer who competed at the 1928 Summer Olympics, representing Lithuania.
Vinča started his sport career in 1925 with weightlifting, but Steponas Darius persuaded him to switch to boxing.
In 1927 and 1928, he became the Baltic champion when he defeated boxers from Latvia, Estonia, and East Prussia.
[2] In the 1928 Olympics, he was eliminated in the second round of the light heavyweight class after losing his fight to Don McCorkindale.
During World War II, he retreated to Germany and from there to the United States.