Claudio Oscar Marangoni (born 17 November 1954 in Rosario) is an Argentine former footballer who played as a midfielder.

Marangoni started his playing career in 1974 with Chacarita Juniors he then joined San Lorenzo in 1976.

In 1979, he joined Sunderland of England where he failed to settle, his contract was terminated in 1980 and he returned to Argentina.

Upon retirement, Marangoni started Escuela Modelo de Futbol y Deportes, the first-ever professional soccer schools and sports clinics for Argentina's youth.

Endeavor is a global non-profit that selects and supports High-Impact Entrepreneurship in emerging markets.