Sir Walter Farquhar, 1st Baronet was a Scottish physician.

Walter Farquhar may also refer to:

Sir Walter Farquhar, 5th Baronet (1878–1918), English diplomat and soldier Sir Walter Farquhar, 3rd Baronet (1810–1900), English landowner Sir Walter Townsend-Farquhar, 2nd Baronet (1809–1866), British politician

See also Farquhar (disambiguation)