S.P.A. was an Italian automobile, military vehicle and aero-engine manufacturer founded in Turin by Matteo Ceirano and Michele Ansaldi. It was active between 1906 and 1926. In 1908, it merged with Fabbrica Ligure Automobili Genova (FLAG) and the new company, Società Ligure Piemontese Automobili, was headquartered in Genoa while manufacturing in Turin.

Giovanni Battista Ceirano was an Italian entrepreneur and car pioneer. The first motorcar he designed and built was the Well-Eyes, but he sold the rights to Giovanni Agnelli of F.I.A.T. who manufactured it in volume as their first motorcar.