A Ministry of Magic Identity Card was a small card used to authenticate the identity of the various employees at the British Ministry of Magic. Use of the cards was made compulsory by Minister Pius Thicknesse in 1997; whether they existed before that is unknown.

The card includes such information as a photograph, basic biographical information (such as height, weight, and date of birth), a set of fingerprints, and the owner's signature. Identity Cards were issued under regulation EALF — MOFMAGIC — 94/MPNC — 240274(CRU) — MM — LCAW and validated by the holder's Ministerial Superior as well as another Ministry offical (Ministry Official No. 39423, in the case of Mafalda Hopkirk