Neobus is the tradename of Brazilian bus manufacturer San Marino Onibus e Implementos Ltda (San Marine Omnibus and Implements Limited) based in Caxias do Sul, Rio Grande do Sul. Neobus initiated production of buses in 1999 and has already manufactured over 30,000 vehicles. The company manufactures the bodies for a whole range of coaches, e.g. microbus, intercity and touring coach. Its primary manufacturing plant, located in Caxias do Sul.
On 1 February 2012, Navistar announced that it will form a joint venture with Neobus, for the manufacturing and developing fully integrated buses under the NeoStar brand, which will initially focus on North American and South American markets.