Mason Alan Denaburg (born August 8, 1999) is an American professional baseball pitcher who is a free agent.

[5] Denaburg did not appear in a game during the 2018 season, and made his professional debut for the rookie-level Gulf Coast League Nationals on June 24, 2019.

Denaburg did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.

[7] On April 4, 2021, it was announced that Denaburg had undergone Tommy John surgery and would miss the entirety of the 2021 season.

[9] Denaburg split 2024 between Fredericksburg and the High-A Wilmington Blue Rocks, accumulating a 6-3 record and 4.38 ERA with 49 strikeouts in 61+2⁄3 innings pitched across 40 appearances out of the bullpen.