Rogelio Antonio Jr. (born February 19, 1962) is a Filipino chess grandmaster, who was awarded the title in 1993. He is affectionately known as "Joey" Antonio or GM Joey. Antonio finished tied for 3rd-8th places in the 2009 Asian Chess Championship (ultimately finishing in 6th place after tiebreaks) and became the first player in the Philippines' history to qualify for the World Cup later in 2009.