SMSA

SMSA may refer to:


 * Sydney Mechanics' School of Arts, in Sydney, NSW, Australia
 * St. Mary's Springs Academy, in Milwaukee, Wisconsin, USA
 * Standard Metropolitan Statistical Area
 * Satrio airport (ICAO airport code: SMSA) in Suriname, see List of airports in Suriname
 * Singapore Motor Sports Association, see List of FIA member organisations
 * SMS-1 weather satellite, formerly SMS-A
 * MV Wotan, formerly SMS-A