Nassa may refer to:

• Noradrenergic and specific serotonergic antidepressant or NaSSa
• Nassa (gastropod)
• NASSA, Negro American Space Society of Astronauts, a fictitious organization from the mockumentary The Old Negro Space Program
• the National Secretariat for Social Action of Caritas Philippines

See also

• NASA (disambiguation)

This disambiguation page lists articles associated with the title Nassa.
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