Yobal Dueñas Martínez (born May 4, 1972, in Pinar del Río) is a Cuban baseball player.

He has competed for the Cuba national baseball team in the Olympic Games, winning a silver medal.

He was born on May 5, 1972, Player of the province of Pinar del Rio 188 cm height and 85 kg weight.

Debuted in the 1989–1990 National Pinar del Rio, played for 14 seasons until retirement in 2003.

This Cuban biographical article relating to baseball is a stub.