RGG

RGG may refer to:


 * Random geometric graph, a concept in mathematical graph theory
 * Responsible Government Group (2009), a centre-right caucus in the City Council of Toronto, Canada
 * Ryū ga Gotoku, a video game series, known also as Like a Dragon and Yakuza in the west
 * Ryū ga Gotoku, also known as Yakuza, the Japanese title of the first Like a Dragon game
 * Ryu Ga Gotoku Studio, the primary developer of the Like a Dragon series, among other games