Ethel "Peggie" Margery Templer, Lady Templer (23 July 1904 – 24 March 1997) was a lieutenant-colonel in the St John Ambulance brigade in the Second World War, the founder of Lady Templer Hospital in Malaya and active during the Malaya Emergency. She was the wife of Gerald Templer, and when he was British High Commissioner of Malaysia, she was known as the "First Lady of Malaysia".