Orion Books

Orion Publishing Group

Parent company	Hachette Livre
Founded	1991; 26 years ago (1991)
Country of origin	United Kingdom
Headquarters location	London
Publication types	Books
Imprints	Weidenfeld & Nicolson, Gollancz, Phoenix, Cassell Military, Everyman's Library
Official website	www.orionbooks.co.uk

Orion Publishing Group Ltd. is a UK-based book publisher. It is owned by Hachette Livre. In 1998 Orion bought Cassell.

The group's imprints include:

The group also distributes books for the independent Halban Publishers.

Books distributed through Littlehampton book services.