Ismael Díaz de León (born 12 May 1997) is a Panamanian professional footballer who plays as a left winger for Universidad Católica and the Panama national team.

Born in Panama City, Díaz made his professional debut for Tauro on 2 September 2012 against Alianza, aged just 15 years and 2 months.

[7] Díaz had made an immediate impact during his first two weeks at the club, scoring 2 league goals in his first 2 matches, which earned him being selected "Best Player of Matchday 1 of Serie A".

In June 2018 he was announced to be part of Panama's squad for the 2018 FIFA World Cup in Russia, and he made one appearance as a substitute against Belgium in a 3–0 loss during the group stage.

[10][11] On 8 July 2023, Díaz scored a hat-trick against Qatar during the quarter-finals of the 2023 CONCACAF Gold Cup in a 4–0 win.