What does NASA stand for?

NASA stands for National Association of Speedway

This definition appears somewhat frequently

Other Resources: Acronym Finder has 48 verified definitions for NASA

National Assessment of Students Achievement
National Assistance Services Australia
National Assoc of Social
National Association for Search
National Association for Stupid Acceptance
National Association for Sustainable Agriculture
National Association for the Storage of Acronyms
National Association of Scale Aeromodelers
National Association of Screening Agencies
National Association of Social

National Association of State Archeologists
National Association of Street Artists
National Association of System Administrators
National Association of Systems Administrators
National Astral Spellcraft Administration
National Astronautic and Space Administration
National Astronautics and Space Administration
National Astronomy and Astrophysics
National Athlete Strength Association
National Atmospheric and Space Administration

Samples in periodicals archive:

The National Association of Speedway Racing is advising all competitors planning to purchase a Snell Rated helmet to carefully check the Snell standard before buying.