The foreign relations of Chad are significantly influenced by the desire for oil revenue and investment in Chadian oil industry and support for former Chadian President Idriss Déby. Chad is officially non-aligned but maintains close relations with France, its former colonial power. Relations with neighbouring countries Libya and Sudan vary periodically. Lately, the Idris Déby regime waged an intermittent proxy war with Sudan. Aside from those two countries, Chad generally enjoys good relations with its neighbouring states.

The diplomatic foreign relations of the United Kingdom are conducted by the Foreign, Commonwealth and Development Office, headed by the Foreign Secretary. The prime minister and numerous other agencies play a role in setting policy, and many institutions and businesses have a voice and a role.