Caroline Jack (born 29 July 1978 in Port Elizabeth) is a field hockey goalkeeper from South Africa, who represented her native country at the 2004 Summer Olympics in Athens. There the women's national team finished in ninth position. Jack's hometown is Grahamstown. Her maiden name is Birt and therefore she is nicknamed Birty. She plays for a provincial team called Southern Gauteng. Her international debut for South Africa was in 1998, during the Africa Cup in Harare.