Ermindo Ángel Onega (30 April 1940 – 21 December 1979) was an Argentine footballer, attacking midfielder and forward from River Plate.

In 1972, he played for Club Atlético Vélez Sársfield, scoring 6 goals in 30 matches.

Onega also had spells with Peñarol in Uruguay and La Serena in Chile.

He was the older brother of Daniel Onega, also a River Plate footballer.

This biographical article related to an Argentine association football forward is a stub.