Ugo Colombini (born 7 October 1967) is a former professional tennis player and sports agent from Italy.

Early in his career he appeared in the main draw of Grand Prix (ATP) tournaments in Bari and Milan, but primarily featured on tour as a doubles player.

In 1989 he had his best year on the doubles circuit, he won a Challenger title in Dublin, made the second round of the French Open and reached Grand Prix semi-finals in Nancy and St. Vincent.

[2] Del Potro was aged 12 when he was talent spotted by Colombini, who signed the Argentine player.

When del Potro won the 2009 US Open, Colombini was one of the few people in his player's box.