SPAD

SPAD may refer to:

• Signal passed at danger by a train
• Simple Plastic Airplane Design, a type of radio-controlled model airplane
• Single-photon avalanche diode, a photodetector
• Single Pass Albumin Dialysis, liver dialysis

• SPAD VII, SPAD S.XII and SPAD S.XIII, French fighter planes of World War I produced by Société Pour L'Aviation et ses Dérivés
• A-1 Skyraider, nicknamed Spad, an attack aircraft (1950s and 1960s)
• Self-propelled air defence, weapons

• Société Pour L'Aviation et ses Dérivés, also Société Provisoire des Aéroplanes Deperdussin and Blériot-SPAD, French aircraft manufacturer (1912–1921)
• Special adviser (UK), a government post
• Suruhanjaya Pengangkutan Awam Darat, the Land Public Transport Commission of Malaysia

• Spade (disambiguation)