PT Medco Energi Internasional Tbk or MedcoEnergi is an Indonesian oil and gas company. The company operates in Trading and Holding & Related Operations, Exploration for and Production of Oil & Gas, Power, Services, Chemicals and Rental of properties.

The company was founded by Indonesian businessman Arifin Panigoro in 1980 and is headquartered in Jakarta, Indonesia. In October 2015, the company bought an interest in the Singa gas field in the Lematang Block located in South Sumatra for $22 million and, in May 2019, the company acquired Ophir Energy in a deal valued at $517.6 million.

Also in 2015, the company acquired the Lundin Petroleum AB's Indonesian Oil & Gas asset for $22 million. In 2020, the company started producing gas from the Meliwis Field in East Java.

In December 2021, MedcoEnergi reached a deal with ConocoPhillips to acquire the assets of ConocoPhillips Indonesia Holding Ltd (CIHL). The acquisition was expected to be concluded in the first quarter of 2022.

The group's current President Director is Hilmi Panigoro. Roberto Lorato serves as the group's Director and CEO.