Carnatic usually refers to:
- Carnatic music, the classical music of Southern India
- Carnatic region, a region of Southern India
It may also refer to:
- Carnatic Wars, a series of military contests in India during the 18th century
- Carnatic Halls, a student halls of residence serving the University of Liverpool
- HMIS Carnatic (J199), a Bangor class minesweeper of the Royal Indian Navy, that served in World War II
- HMS Carnatic (1783), a 74-gun third rate ship of the line of the Royal Navy, launched at Deptford in 1783
- HMS Carnatic (1823), a 74-gun third rate ship of the line of the Royal Navy, launched at Portsmouth Dockyard in 1823
- SS Carnatic, a shipwrecked steamer