Omar Mohammed Shegewi (Arabic: عمر محمد الشغيوي, April 1952 Tripoli, Libya – 9 October 1993 Tunisia), was a distinguished U.S. educated Libyan petroleum geologist.
Shegewi's seven years of collective efforts and work on the northeastern basins of Libya provided a comprehensive database of more than 3,000 kilometres (1,900 mi) of seismic lines, gravity and magnetic data, well logs, and surface geology data.
This data was utilized to examine and interpret the sedimentary and tectonic history of the onshore and offshore parts of northeast Libya and their hydrocarbon potential, which is considered to be amongst the highest in the region.
Much of Shegewi's data is used by oil corporations, consultancies and individuals world-wide and is available from multiple online sources.
His paternal grandparents were resistance leader Omar Shegewi and Zuhra Ramdan Agha Al-Awji.