Topy Industries, Ltd. (トピー工業株式会社, Topī Kōgyō Kabushiki-gaisha) is a Japanese company specializing in steel, particularly automobile and industrial components. Its main products are steel products; wheels for passenger cars, buses, trucks and construction machinery; and undercarriage components for construction equipment.

The company has production sites in Japan, US, China, Mexico and Thailand and is an OEM wheel supplier to a number of car manufacturers such as Honda, Nissan, Ford, General Motors, Subaru, Kia and Chrysler. In the past Topy Industries was part of the Fuyo Group keiretsu.