Brandon Ivar Valenzuela (born October 2, 2000) is a Mexican professional baseball catcher for the Toronto Blue Jays of Major League Baseball (MLB).
Valenzuela signed with the San Diego Padres as an amateur free agent on July 2, 2017. While playing for the San Antonio Missions, he was named the Texas League's player of the month for June 2024.
On July 31, 2025, the Padres traded Valenzuela to the Toronto Blue Jays in exchange for Will Wagner. He made 26 appearances for the Triple-A Buffalo Bisons, batting .207/.295/.370 with three home runs and 12 RBI. On November 6, the Blue Jays added Valenzuela to their 40-man roster to prevent him from reaching minor league free agency.
Valenzuela was optioned to Triple-A Buffalo to begin the 2026 season.