SANSA (Servicios Aéreos Nacionales S.A.) is a regional airline based in San José, Costa Rica.

It operates scheduled passenger services as part of the former TACA Regional system, and was a subsidiary of Avianca Holdings.

Its main hub is Juan Santamaría International Airport.

[1] The airline was established in 1978 as a domestic subsidiary of LACSA.

[1] On May 31, 2019, Avianca Holdings sold SANSA to Regional Airlines Holding LLC, from Delaware, United States.