Gabriella Kotsis (born May 31, 1928) is a Hungarian indoor volleyball coach. Along with Lang Ping, she is one of only two women volleyball coaches to lead teams at multiple Olympics. Kotsis coached Hungary at the 1972 Olympic Games in Munich, the 1976 Olympic Games in Montreal and the 1980 Olympic Games in Moscow. In 2010, Kotsis was named into the Volleyball Hall of Fame.