Joëlle Sandrine Mbumi Nkouindjin (born 25 May 1986) is a Cameroonianathlete whose specialty is the triple jump.[2] She competed at the 2015 World Championships in Beijing without qualifying for the final. She has personal bests of 14.16 metres in the triple jump (Yaoundé 2015) and 6.35 metres in the long jump (Yaoundé 2014).