Marc Saturnin Nan Nguéma was a Gabonese economist and politician. He was the secretary-general of the Organization of the Petroleum Exporting Countries (OPEC) from 1981 to 1983 and was an opposition politician in Gabon from 1990 till his death.
- Occupation
- economist, politician
- Position held
- Secretary General of OPEC, chairperson
- Citizenship
- Gabon
- Born
- April 13, 1934
- Died
- November 7, 2012
