IAV GmbH (German: Ingenieurgesellschaft Auto und Verkehr, literal Engineer Society Automobil and Traffic), abbreviated to IAV, is an engineering company in the automotive industry, designing products for powertrain, electronics and vehicle development. Founded in Berlin in 1983 by Prof. Dr. Hermann Appel as a university-affiliated research institute, the company employs over 5,000 members of staff, and supplies automobile manufacturers and component suppliers.