Hennessey may refer to: Names Hennessey, Irish surname Places Hennessey, Oklahoma, United States Hennessey Formation, United States Media and entertainment Hennesey, a 1959–1962 television series Crossing Hennessy, a 2009 Hong Kong film Business and trade Hennessey Performance Engineering, a sports car company Vehicles Hennessey Venom GT, a record-breaking sports car built by Hennessey Hennessey Venom F5 Hennessey Monoplane See also Hennessy (disambiguation)