Berny Ulloa Morera (born August 5, 1950) is a retired football referee from Costa Rica. He officiated the match between Argentina and Bulgaria at the 1986 World Cup.He was a linesman in the famous game between England and Argentina in 1986 in which the Hand of God and Goal of the Century were scored by Diego Maradona. He was also a linesman in the final of the 1986 World Cup between Argentina and West Germany.