Rogelio Armenteros Peña (born June 30, 1994) is a Cuban former professional baseball pitcher.

[1] Armenteros made his professional debut 2015 with the Tri-City ValleyCats and was later promoted to the Quad Cities River Bandits; in 61 total innings pitched between both teams, he posted a 3–2 record and 3.69 ERA.

[8] However, the injury persisted and as a result Armenteros spent the 2020 season on the injured list without making an appearance for the Astros.

[10] After struggling to a 5.83 ERA in 7 games for the Triple-A Rochester Red Wings, Armenteros was designated for assignment on June 15, 2021.

[13] On January 17, 2022, Armenteros signed with the Diablos Rojos del México of the Mexican League.