Tandi Jane Indergaard (née Gerrard) (born 25 February 1978 in Johannesburg, South Africa) is a South-African born English diver, who specialized in individual and synchronized springboard events. Since 2001, Indergaard holds a dual citizenship with South Africa and Great Britain in order to compete internationally for diving. She is a three-time British diving champion and a bronze medalist for the synchronised springboard at the 2006 Commonwealth Games in Melbourne, Australia.