Enrique "Kike" Barja Afonso (born 1 April 1997) is a Spanish professional footballer who plays as a winger for La Liga club Osasuna.

Born in Noáin, Navarre, Barja joined CA Osasuna's youth setup in 2005 at the age of eight.

[1] He made his senior debut for the reserves on 25 August 2013 at the age of 16, coming on as a second-half substitute for Miguel Olavide and scoring the last in a 2–0 Tercera División home win against CD Huarte.

[2] On 28 November 2015, Barja scored a brace in a 4–0 away routing over UD Mutilvera; he added another double seven days later, in a 5–0 thrashing of CD Erriberri.

[5] He made his first team – and La Liga – debut five days later, replacing Carlos Clerc in a 0–5 away loss to Sevilla FC, as his side was already relegated.