Hennessy may refer to:

• Hennessy (surname), includes list of people with the name
• Hennessy Carolina, a cast member of Love & Hip Hop: New York

• Hennessy, a brand of cognac
• Hennessy's, a defunct Montana-based department store
• Hennessy & Hennessy, a former architectural partnership in Australia
• Hennessey Performance Engineering, an American automotive tuning house

• Hennessy Road, a main thoroughfare in Hong Kong
• Hennessy (constituency), a constituency in Wan Chai District

• Hennessy Gold Cup
• Hennessy Gold Cup (Ireland)

• Hennessy (film), a 1975 film about the Irish Republican Army
• Hennessy–Milner logic, in computer science
• Hours of Hennessy, aka The book of hours of Our Lady, a 1530 manuscript illustrated by Simon Bening of Bruges

• Hennessey (disambiguation)

This disambiguation page lists articles associated with the title Hennessy.
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