Wuillians Martin Vasquez (born July 23, 1983) is a Venezuelan-Nicaraguan professional baseball infielder.

He played for Venezuela in the 2011 Baseball World Cup and the 2011 Pan American Games.

Vasquez started playing in the Nicaraguan Professional Baseball League during the 2011–12 season.

During the 2013–14 season, playing for the Tigres de Chinandega, he led the league in hitting with a .351 average.

He played for Nicaragua in their unsuccessful attempt to qualify for the World Baseball Classic.