Margaret “Peggy” Amy Michell (née Saunders; 28 January 1905 – 19 June 1941) was a British female tennis player active in the 1920s. She is also known under her married name, Peggy Saunders-Michell. She was educated at St Paul's Girls' School in London. Along with Phoebe Holcroft, she won two consecutive women's doubles titles at Wimbledon (1928 and 1929) and the US Women's National Championship in 1929. With the same partner, she reached the final at the French Championships in 1927 in which they were defeated by Irene Bowder Peacock and Bobbie Heine.