Juan José Amador Castaño (born 20 April 1998) is a Colombian cyclist, who most recently rode for UCI Professional Continental team Team Manzana Postobón.In May 2019, Amador returned an adverse analytical finding (AAF) for boldenone – a naturally occurring anabolic–androgenic steroid (AAS) – in an out-of-competition control taken in October 2018.
Team Manzana Postobón folded four days later, due to the doping cases of Amador and team mate Wilmar Paredes.