NSSA

NSSA may refer to:


 * National Scholastic Surfing Association
 * National School Sailing Association, formed in the UK in 1961
 * National Security Space Association
 * National Space Science Agency
 * National Sportscasters and Sportswriters Association, now National Sports Media Association
 * National Skeet Shooting Association
 * North-South Skirmish Association
 * OSPF Not-So-Stubby Area