Morocco Agencies were a system of post offices operated by the United Kingdom in Morocco.

The first office was established in Tangier in 1857; mail was simply bagged there and forwarded to Gibraltar just across the water, where it received the standard "A26" postmark.

The stamps were overprinted "Morocco / Agencies" beginning in 1898, initially at the offices of the Gibraltar Chronicle, and then later in London, yielding several variations in the appearance of the overprint