Theodor Alexander Josef Wiederspahn (February 19, 1878 – November 12, 1952), also known as Theo Wiederspahn, was a German Brazilian architect.
He designed many buildings in Southern Brazil, specially in Porto Alegre city.
Other locations include Novo Hamburgo and Cruz Alta.
Born in Wiesbaden, having finished his studies in 1894, Theo Wiederspahn immigrated to Brazil in 1908.