Lady Ann Elizabeth Tottenham (born July 21 1940) is a Canadian Bishop. She is the oldest child of Charles Tottenham, 8th Marquess of Ely who emigrated to Ontario, Canada. Although entitled to the style Lady Ann Tottenham, she does not use this. Her brother is John Tottenham, 9th Marquess of Ely. Bishop Tottenham was the second Anglican woman to be elected as a bishop in Canada, in the Diocese of Toronto. She served until her retirement in 2005.