Hennessy is a French producer of cognac.
Hennessy may also refer to:
People Hennessy (surname), including a list of people with the name Hennessy Carolina (born 1995), American media personality Hennessy Youngman, an alter ego of Jayson Musson
Other uses Hennessy (constituency), in Hong Kong Hennessy (film), a 1975 British thriller Hennessy's, a defunct American department store Hennessy & Hennessy, a former architectural firm in Australia Hennessy Islands, in Antarctica
See also
Hennessey (disambiguation) Hennesey, a 1959–1962 TV series Hennessy–Milner logic, in computer science Hennessy Road, in Hong Kong Hours of Hennessy, a 1530 illuminated book of hours