Yohny Romero (born 30 November 1978) is a Venezuelan former professional tennis player.

Romero, who was born in Caracas, represented Venezuela in the Davis Cup from 1999 to 2010, featuring in a total of 16 ties.

While competing on the professional tour, Romero reached a career high singles ranking of 262 in the world, with qualifying draw appearances at the Australian Open and Wimbledon.

Romero partnered with Maurice Ruah to win a bronze medal for Venezuela in doubles at the 1999 Pan American Games.

He was a mixed doubles gold medalist at the 2006 Central American and Caribbean Games, where he also claimed a silver medal in the singles event.