Yulia Petrovna Vrevskaya (Russian: Юлия Петровна Вревская; née Varpakhovskaya (Russian: Варпаховская); 25 January 1838 – 24 January 1878) was a Russian nurse and baroness. She served as a wartime nurse during the 1877–1878 Russo-Turkish War, where she died of a typhus infection.