Nelson Abadía Aragón (born 5 June 1956) is a Colombian football manager.

At the end of the 1990s, Abadía managed the "B" team of América de Cali in Categoría Primera C organized by Difutbol.

There, he was in charge of several players who turned professional such as Sandro Zuluaga, Alex del Castillo and Róbinson Zapata.

[5][6] In 2008, he managed Patriotas Boyacá who were 6 points away from playing in the Primera B final.

[7] From 2014 until 31 August 2023, Abadía was part of the Colombian women's team, first as Fabián Taborda's technical assistant and then promoted to manager.