Oswaldo Jesús León Montoya (born 15 June 1999) is a Mexican professional footballer who plays as a centre-back for York United in the Canadian Premier League.

[4] On 31 July 2018, León made his senior debut with Club América in a Copa MX match against Veracruz, as a substitute.

[7] In April 2020, he returned to América after the Mexican federation cancelled the Ascenso MX division as part of a league system restructuring.

[12] In January 2024, he signed with Canadian Premier League club York United FC.

[16] León played with the Mexico U20 at the 2018 CONCACAF U-20 Championship and then again at the 2019 FIFA U-20 World Cup.