Pierre Djaka Njanka-Beyaka (born 15 March 1975) is a Cameroonian former professional football defender. Njanka played for Cameroon at the 1998 and 2002 World Cups, as well as the 2004 African Nations Cup. He has been capped 47 times for his country. He scored a goal against Austria in World Cup 1998, for which the commentator said he "tore through the heart of the Austrian defence", before placing the ball in the top corner of the net.