INSA (disambiguation)

INSA may refer to:


 * INSA (Germany), a German poll institute
 * Indian National Science Academy, a national science academy based in Delhi
 * Information Network Security Agency, the Ethiopian intelligence agency that is run by the Ministry of Peace
 * Institut national des sciences appliquées, National Institute of Applied Sciences in France
 * Instituto Nacional de Saúde Dr. Ricardo Jorge, the National Health Institute of Portugal
 * Intelligence and National Security Alliance, an alliance of intelligence business interests
 * Israeli Nano Satellite Association