Adrián Misael Martínez (born December 10, 1996) is a Mexican professional baseball pitcher who is a free agent.

[2] He split the 2019 season between Fort Wayne and the Lake Elsinore Storm of the High–A California League, going a combined 7–4 with a 3.22 ERA and 76 strikeouts over 81 innings.

[8] On April 3, 2022, the Padres traded Martínez, along with Euribiel Angeles, to the Oakland Athletics for Sean Manaea.

[10] He made his MLB debut that day, earning his first career victory with 5.1 shutout innings against the Detroit Tigers.

During spring training in 2024, Martínez surrendered four runs in 1+1⁄3 innings, and was optioned to Triple–A Las Vegas to begin the season as a result.