Vabis was the abbreviation and later also trademark of Swedish railway car manufacturer Vagnfabriks Aktiebolaget i Södertälje, which translates Wagon Factory Limited Company of Södertälje, established in 1891 in Södertälje. Vabis also manufactured petrol engines, automobiles, trucks, motor-powered draisines, motorboats and marine engines. The company was in 1911 merged with Maskinfabriks-aktiebolaget Scania, to form Scania-Vabis.

Södertälje is a city in Södermanland and Stockholm County, Sweden and seat of Södertälje Municipality. As of 2017, it has 72,704 inhabitants. Södertälje is located at Mälarens confluence in to the Baltic Sea through the lock in the Södertälje Canal. Since year 2000, it is the largest city located entirely within the province of Södermanland.