PGAS may refer to:
Partitioned global address space, a parallel programming model in computer science Provisional Government of Autonomous Siberia, an ephemeral government in Siberia in 1918 Pertamina Gas Negara, Indonesia Stock Exchange symbol PGAS Pegatron Corporation, Luxembourg Stock Exchange symbol PGAS Polyglandular autoimmune syndrome, or autoimmune polyendocrine syndrome
See also PGSA (disambiguation) PGA (disambiguation)