David José Martínez (born August 4, 1987) is a Venezuelan former professional baseball pitcher.

In 2010 he made 17 appearances (10 starts) for the Low–A Tri-City ValleyCats, registering a 5–2 record and 3.02 ERA with 57 strikeouts in 65+2⁄3 innings.

In 2014, Martínez made three appearances for the Astros, surrendering four runs on five hits with six strikeouts in seven innings pitched.

[10] He split the 2015 season between the Double–A Frisco RoughRiders and Triple–A Round Rock Express, accumulating a 3–5 record and 3.21 ERA with 49 strikeouts and 22 saves across 67+1⁄3 innings pitched.

On April 5, 2017, Martínez signed a minor league contract with the Houston Astros organization.

[17] On February 7, 2018, Martínez signed with the Uni-President Lions of the Chinese Professional Baseball League.

[19] On May 18, 2022, Martínez signed with the Staten Island FerryHawks of the Atlantic League of Professional Baseball.