TPSA

TPSA may refer to:


 * Theoretical Physics Student Association, a student-led organisation founded to enhance the academic success of students of theoretical physics.
 * Orange Polska, a Polish national telecommunications provider.
 * Topological polar surface area, a physicochemical property describing the polarity of molecules
 * Third-party security assessment, an assessment of a third-party's security posture, or alternatively, a security assessment performed by a third-party entity