Novatek (Russian: ПАО «НОВАТЭК», MCX: NVTK, LSE: NVTK) is Russia's second-largest natural gas producer (behind Gazprom), and the seventh-largest publicly traded company globally by natural gas production volume. The company was originally known as OAO FIK Novafininvest. Novatek is based in the Yamalo-Nenets Autonomous Region in West Siberia, and maintains a head office in Moscow. In the 2020 Forbes Global 2000, Novatek was ranked as the 316th-largest public company in the world.

In 2006, the company produced roughly thirty billion cubic metres (1.1 trillion cubic feet) of natural gas. By 2010, production had grown to 37.2×10^⁹ m³ (1.31×10^¹² cu ft), and in 2011 to 52.9×10^⁹ m³ (1.87×10^¹² cu ft) In 2010, Novatek supplied 13% of the domestic market and accounted for 32% of non-Gazprom production. Total reserves amount to 9.4×10^⁹ BOE (5.8×10¹⁰ GJ) using the Securities and Exchange Commission methodology. Regarding dry sales gas, Novatek operates only in the domestic market, which is characterized by artificially low prices. Novatek's earnings before interest, taxes, depreciation, and amortization and net profit margin in 2011 were 49% and 32%, respectively.

The major gas field owned by Novatek is the Yurkharovskoye field. On 27 May 2009, Novatek bought a 51% stake in Yamal LNG from Volga Resources, which controls the giant South-Tambeyskoye field. On 2 July 2010, Novatek purchased Tambeyneftegas, which holds the licence to the Arctic Malo-Yamalskoye field, located on the Yamal Peninsula and holding 161×10^⁹ m³ (5.7×10^¹² cu ft) of natural gas and 14.4 million tonnes of gas condensate.

In June 2010 Novatek and Gazprom announced plans to build a liquefied natural gas plant in Yamalo-Nenets Autonomous Okrug. Total S.A. will also be involved as a 20% shareholder.

It was announced in July 2010 that, together with Total S.A., Novatek was developing the Termokarstovoye field in Yamal.

In December 2010, Novatek bought a 51% stake in Sibneftegaz from Gazprombank (Itera owns 49% of the shares). Sibneftegaz holds licences for exploration and production in the Yamal-Nenets region, including for the Beregovoye field, Pyreinoye field, Zapadno-Zapolyarnoye field, and the Khadyryakhinskiy licence area. Sibneftegaz owns rights to develop oil and gas condensate fields with a total resource of 395.53 bcm of natural gas and 8.44 million tonnes of gas condensate.

In 2011, Novatek was awarded licences to develop the Geofizichenskoye field, Salmanovskoye (Utrenneye) field, Severo-Obskoye field, and Vostochno-Tambeiskoye field.

In addition, Novatek acquired^[when?] these companies:^{[citation needed]}