Jaime Yzaga Tori (born October 23, 1967 in Lima, Peru) is a former professional tennis player from Peru.
Yzaga played on the professional tour from 1984 to 1996.
Yzaga reached career-high rankings of World No. 18 in singles and World No. 54 in doubles (both in 1989). He was a quarter-finalist at the Australian Open in 1991, and at the US Open in 1994, reaching the final eight by defeating a dominant Pete Sampras in 5 sets, in the previous round. He had earlier been the first ever opponent of Pete Sampras in the main draw of a Grand Slam tournament, in the first round of the U.S. Open in 1988, also winning that match in 5 sets. Since retiring as a player, Yzaga has served as captain of Peru's Davis Cup team.