Amy Mbacké Thiam (born November 10, 1976) is a Senegalese athlete competing in the 400 metres.
She has won medals in two World Championships, but at the 2004 Olympics she was knocked out in the heats. She is best known for winning the gold medal at the 2001 World Championships in Athletics held in Edmonton, Alberta, Canada. With her 49.86 in that victory, she still holds the Senegal national record.