NSSA may refer to:
*
National Scholastic Surfing Association
*
National School Sailing Association
The National School Sailing Association or NSSA was formed after a meeting on 6 January 1961 at the London Institute of Education, held to create and approve officers, committee, and a constitution of a new organisation to promote and oversee th ...
, formed in the UK in 1961
*
National Space Science Agency
The National Space Science Agency (NSSA) (Arabic: الهيئة الوطنية لعلوم الفضاء) is the Bahraini government entity responsible for space science program. It was established by Royal Decree No. 11 for the Year 2014 and works u ...
* National Sportscasters and Sportswriters Association, now
National Sports Media Association
The National Sports Media Association (NSMA), formerly the National Sportscasters and Sportswriters Association, is an organization of sports media members in the United States, and constitutes the American chapter of the International Sports Pr ...
* National Skeet Shooting Association
*
North-South Skirmish Association
*
OSPF
Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of interior gateway protocols (IGPs), operating within a single autonomous sys ...
Not-So-Stubby Area
{{disambig