Olabisi ("Bisi") Afolabi (born 31 October 1975 in Ilorin) is a retired female track and field athlete from Nigeria, who specialized in the 400 metres during her career. She was a member of the Nigerian team that won the silver medal in the 1996 Olympics 4 x 400 metres relay.
She won the World Junior Championships in 1994. She also has a silver medal from the 1999 All-Africa Games and a bronze medal from the 1995 All-Africa Games.