The Vorontsov Lighthouse (Ukrainian: Воронцовський маяк, Russian: Воронцовский маяк) is a red-and-white, 27.2 metre tall lighthouse in the Black Sea port of Odesa, Ukraine.

It is named after Prince Mikhail Semyonovich Vorontsov, one of the governors-general of the Odesa region.

It has a one-million-watt signal light that can be seen up to twelve nautical miles (22 km) away.

It transmits the Morse Code signal of three dashes, the letter O, for Odesa.

The port is protected on the east by huge concrete breakwaters built on rocks, that rise above the water.