Ernesto Velázquez Ruiz-Mateos[a] (born 3 October 1988) is a Spanish badminton player.

[1] He won the bronze medal at the 2007 European Junior Championships in the boys' singles event.

[2] He emerged as the mixed doubles champion at the National Championships in 2011–2013.

He retired from the international competition in November 2017.

This biographical article relating to Spanish badminton is a stub.