Juan Pablo Niño Castellano (born 15 May 1978) is a Spanish retired footballer who played as a left winger.
Born in Rota, Cádiz, Andalusia, Niño graduated from local Real Betis' youth system, making his debut with the reserves in the 1997–98 season, in Segunda División B.
In the summer of 2000 he was loaned to Recreativo de Huelva of Segunda División, playing his first match as a professional on 3 September by coming on as a second-half substitute in a 0–0 home draw against CD Badajoz.
[2] In August 2004, profiting from Denílson's injury, Niño was promoted to the first team in La Liga.
[7] Niño moved to Tercera División's CD Pozoblanco in 2007,[8] and went on to spend the rest of his career in the lower leagues and amateur football, representing Puerto Real CF,[9] Real Balompédica Linense[10] and CD Rota.