Nicholas Caradja (Greek: Νικόλαος Καρατζάς, Romanian: Nicolae Vodă Caragea; 1737[1]–1784[2]) was a Phanariote Prince of Wallachia, who reigned between 5 January 1782 and 6 July 1783.

[3] He was born as the son of Prince Konstantin Caradja (d. 1771) and his wife, Zefira Soutzos (d. 1791).

Prior to his reign, he was the Grand Dragoman of the Ottoman Empire in Constantinople (1777–1782).

[4] Under his reign, police provisions taken concerned public hygiene such as chimney sweeping and the control of coffeehouses, inns, and ways.

Unauthorized carrying of uniforms and weapons was prohibited, in order to avoid mutiny by those opposed to his taxation policy.