Donat of the Order of Saint John is a distinction awarded by the Order of Saint John.

Any person not being a Member of the Venerable Order of St. John who from an appreciation of the objects or work of the Order makes a worthy contribution to its funds or to the funds of a Priory may be appointed by the Grand Prior, on the recommendation of the Grand Council, a Donat of the Order; or by the Prior of a Priory, on the recommendation of his Priory Chapter, to be a Donat of the Priory and thereafter his name shall be recorded in the List of Donats of the Order which shall be maintained by the Secretary-General or as the case may be in the List of Donats of the Priory which shall be maintained by the proper officer of the Priory.

The appointment of a Donat shall lapse and his name shall be deleted from the List of Donats if he shall subsequently be admitted as a Member of the Order in any Grade.

A woman who is appointed a Donat suspends her Badge from a bow.

Donats of the Order have included: