Jonatan Eccehomo Romero Preciado (born December 14, 1986, in Cali, Colombia) is a Colombian boxer best known to qualify for the Olympics 2008 at bantamweight.

Romero who is known by his nickname 'Momo' hails from a boxing family from the "El Retiro" neighbourhood of Santiago de Cali in the Valle del Cauca region.

Romero won bronze at the Boxing at the 2006 Central American and Caribbean Games where he lost his semifinal to Guillermo Rigondeaux by walkover but didn't participate in the 2007 PanAmerican games due to a shoulder injury.

At the 2007 World Amateur Boxing Championships he bested Chawazi Chatsygov, PanAm Games silver medalist Claudio Marrero 19:3 but lost to McJoe Arroyo 9:23.

He won the IBF Super Bantamweight on February 16, 2013, against Alejandro Lopez to claim the vacant title.