Enid Johnson Macleod (1909 – 17 May 2001) was a Canadian anaesthetist and medical doctor.
Gladys Enid Johnson was born in Jacksonville, New Brunswick, Canada, 1909.
Together they pioneered the use of curare as a muscle relaxant, the first occasion being in support of an appendectomy operation on 23 January 1942 at Montreal Homeopathic Hospital.
She married lawyer Innis Gordon Macleod in 1942, then practised in Sydney, Nova Scotia for six years.
She joined Dalhousie University Faculty of Medicine in 1960 and retired in 1978 as emeritus professor.