Alberto Mancini (born May 20, 1969, in Misiones, Argentina) is a former professional tennis player from Argentina. Mancini turned professional in 1987. In 1988, he won his first top-level singles title at Bologna, and his first tour doubles title at St. Vincent.
Mancini won the two most significant titles of his career in 1989. In April that year he won the Monte Carlo Open, defeating Boris Becker in the final 7-5, 2-6, 7-6, 7-5. Then in May he won the Italian Open, beating Andre Agassi in the final 6-3, 4-6, 2-6, 7-6, 6-1. (Both events are today part of the Tennis Masters Series). Mancini also reached the quarter-finals of the 1989 French Open (his career-best performance at a Grand Slam event).
Mancini reached the final of the Italian Open again in 1991, but was forced to retire during the final against Emilio Sanchez with the score at 6-3, 6-1, 3-0. The last major final of Mancini's career was at the Lipton International Players Championships in Florida in 1992, where he lost to Michael Chang 7-5, 7-5.
During his career, Mancini won three top-level singles titles and four tour doubles titles. His career-high rankings were World No. 8 in singles and No. 79 in doubles (both in 1989). His career prize-money totalled US$1,543,120. Mancini, a competitor at the 1992 Summer Olympics in Barcelona, retired from the professional tour in 1994.
Mancini is the current captain of the Argentine Davis Cup team.
