Westinghouse could refer to:

• George Westinghouse
• Westinghouse Electric Corporation. Founded by George Westinghouse in 1889, renamed CBS Corporation in 1997
• Westinghouse Electric Company. Present day nuclear group, purchased by BNFL from CBS in 1999.
• British Westinghouse. Founded by George Westinghouse in 1899.
• Westinghouse air brake. Founded by George Westinghouse