Myrtis May Coltharp (April 10, 1900 – September 18, 1993) was an American nurse, foreign service officer, and federal official.

[1] She earned a bachelor's degree at Montezeuma College in New Mexico in 1927, and had American Red Cross training as a hygiene instructor.

[8][9] She was staff nurse at the American embassies in Belgrade (1946–1950),[10] Rome (1950–1955), Addis Ababa (1955–1959), Mexico City (1959–1961), and Conakry (1961).

[11] Late in 1962 she succeeded the first Director of Foreign Service Nurses, Evelyn Weigold Crane.

[12] Coltharp supervised foreign service nurses around the world as director,[13] and retired from the State Department in 1963.