MPAS

The acronym MPAS may refer to:


 * Magazine Publisher's Association of Singapore
 * Maritime and Port Authority of Singapore
 * Master of Physician Assistant Studies
 * Ministry of Public Administration and Security (South Korea)
 * Model for Prediction Across Scales, a coupled Earth system model consisting of atmospheric, oceanographic, cryospheric, and land surface components
 * Mornington Peninsula Astronomical Society
 * Methenamine Periodic Acid Schiff Stain, or Jones' stain