Guendalina Buffon (born ) is an Italian retired volleyball player. She was part of the Italy women's national volleyball team.
She participated in the 1994 FIVB Volleyball Women's World Championship.
Guendalina was born into a family of Italian athletes: her mother Maria Stella Masocco was a discus thrower, and her father Adriano was a weightlifter. Following their athletic retirement, they subsequently worked as P.E. school teachers.
Guendalina's sister also played volleyball for the Italian national team; their younger brother Gianluigi is a former professional football goalkeeper who played for the Italy national football team for two decades and won the 2006 FIFA World Cup.