Carlos Adolfo "Lucho" Sosa (21 July 1919 – 2 March 2009) was an Argentine footballer who played as a midfielder. He spent most of his career in Boca Juniors, where he won six titles. With the Argentina national team he also won two Copa América. Sosa is considered one of the best right halves in the history of Argentine football, apart from being an emblematic player of Boca Juniors during the 1940s.