Guillermo Enrique Zuñiga (zoon-YEE-gah; born October 10, 1998) is a Colombian professional baseball pitcher in the Philadelphia Phillies organization.

In 2017, Zuñiga pitched in eight games (starting six) for the rookie-level Gulf Coast Braves, registering an 0–3 record and 5.59 ERA with 12 strikeouts in 19.1 innings of work.

[4] He spent the 2018 season with the rookie-level Arizona League Dodgers, logging a 3–1 record and 3.86 ERA with 41 strikeouts across 12 games (two starts).

[5] In 2019, Zuñiga split time between the Single-A Great Lakes Loons and High-A Rancho Cucamonga Quakes, pitching in 33 games and posting a cumulative 4–3 record and 4.08 ERA with 81 strikeouts and 5 saves in 68.1 innings of work.

[6] In 2021, Zuñiga made 25 appearances for the Double-A Tulsa Drillers, pitching to a 7–2 record and 3.06 ERA with 49 strikeouts and two saves in 35.1 innings of work.

[22] Zuñiga also earned the win over Mexico, allowing a double to Austin Barnes but striking out Jonathan Aranda and Alex Verdugo.