Myrtle Ethel Maclagan (2 April 1911 – 11 March 1993) was an English cricketer who played as a right-handed batter and right-arm off break bowler. She appeared in 14 Test matches for England between 1934 and 1951. She played in the first-ever women's Test match, as well as captaining for England for two matches in 1951. She played domestic cricket for Surrey.