| NASSA | North America Stone Skipping Association | 北美跳石协会 |
| NASSA | North American Shetland Sheepbreeders Association | 北美设得兰牧羊人协会 |
| NASSA | The National Association Of Shooting Sports Athletes | 全国射击运动运动员协会 |
| NASSA | North American Stone Skipping Association | 北美跳石协会 |
| NASSA | National Aboriginal Student Services Association | 全国土著学生服务协会 |
| NASSA | Negro American Space Society of Astronauts (from short film entitled 'The Old Negro Space Program') | 美国太空的宇航员黑人社会(从短篇的老黑人的太空计划”) |
| NASSA | Noradrenergic and Specific Serotonergic Antidepressant | 去甲肾上腺素能和特异性血清素能抗抑郁药 |