Margaret O'Donnell

Margaret O'Donnell may refer to:


 * Margaret O'Donnell (poet), see 1963 in poetry
 * Margaret H. O'Donnell (born 1935), Australian tennis player active from 1949 to 1956
 * Margaret R. O'Donnell (born 1938), British tennis player active from 1956 to 1965
 * Margaret O'Donnell, character in 17 Again (film)