SPAP

SPAP may refer to:


 * Piraeus, Athens and Peloponnese Railways (Siderodromi Pireos Athinon Peloponisou), a meter-gauge railway network in southern Greece
 * Samodzielny Pododdział Antyterrorystyczny Policji or Independent Counter-terrorism Police Subdivision, independent anti-terrorist police subunits of the Polish police
 * Seaport-Airport Road, a proposed highway to Cochin International Airport, Kerala, India
 * Secure Password Authentication Protocol
 * Shiva Password Authentication Protocol
 * Socialist Popular Alliance Party, Egypt
 * Sodium-proton antiporter
 * State Prescription Assistance Program, a social program prescription assistance offered in U.S. states as part of Medicaid
 * Systolic pulmonary artery pressure (sPAP); see pulmonary hypertension