TCG Mauvenet may refer to one of the following ships of the Turkish Navy:
Ottoman destroyer Muâvenet-i Millîye, a destroyer of the Ottoman Navy that entered service in 1910; transferred to the Turkish Navy upon that navy's creation; taken out of service in 1923; scrapped, 1953
TCG Muavenet (1941), a Demirhisar-class destroyer ordered from the United Kingdom just prior to World War II; after the outbreak of that war, ship was purchased by the Royal Navy and renamed HMS Inconstant; transferred to the Turkish Navy in 1946 with name restored to Mauvenet