Slavneft () is a Russian oil company, and ranks eighth largest nationally. The company is headquartered in Moscow.
In 1994, the Russian and Belarusian governments created a state-owned joint enterprise, with each side placing an oil refinery as assets into the deal.
This company was privatized in 2002, at a valuation of .
Slavneft was in 26th place in the Forbes ranking of the "70 largest investor companies in Russia â 2024".
The company's subsidiary, "Slavneft-Megionnetftegaz" (), was responsible for building up the city of Megion as a center for the oil industry. The company also operates Yaroslavl Refinery in Russia and Mozyr Refinery in Belarus as its main oil refineries.
The company is owned on an equal basis by Gazprom and Rosneft.
From 2015 to April 2023, Mikhail Osipov was the manager of Slavneft. In April 2024, Natalia Sakhno was appointed to the role.