Unterarzt (short: UArzt or UA) was a military rank in the German Reichswehr and Wehrmacht until 1945.

It describes a qualified or licensed surgeon or dentist of the armed forces with the last or highest Officer Aspirant (O.A.

In the German Wehrmacht from 1933 until 1945 there were the OR7-ranks Unterarzt (physician), Unterapotheker (pharmacologist), and Unterveterinär (veterinarian).

In line to the so-called Reichsbesoldungsordnung (en: Reich's salary order), appendixes to the Salary law of the German Empire (de: Besoldungsgesetz des Deutschen Reiches) of 1927[2] (changes 1937 – 1940), the comparative ranks were as follows: C 15 The corps colour of the military Health Service Support (HSS) in German armed forces was traditional  dark bluedark blue, and of the veterinarian service  carmine red.

[3] This tradition was continued by the medical service corps in Heer and Luftwaffe of the Reichswehr and Wehrmacht.