The British Indian Ocean Territory Police serve in the British Indian Ocean Territory (BIOT) (situated in the Indian Ocean halfway between Tanzania and Indonesia).

The population are mostly members of the British Armed Forces and United States Armed Forces.

As such the BIOT police consists of Royal Overseas Police Officers (ROPO), who are all currently members of either the Royal Marines or Royal Navy.

[3] The BIOT police (as of 2015) consists of:[1] The offences dealt with by BIOT police have included:[4] The ROPOs have epaulettes with collar numbers to identify them, similar to UK civilian police uniforms.

[6] The United States Navy (USN) has a Naval Support Facility at East Point Plantation and entry to it needs a police permit.