The RKD (Dutch: Rijksbureau voor Kunsthistorische Documentatie) is an art history center in the Netherlands.
RKD may also refer to: RKD Airport in Maine, US The Red Cross service (German: Rotkreuzdienst), a department of the Swiss Red Cross, a humanitarian organisation The Russian Action Committee (Russian: Rossiyskiy komitet deystviya), a coalition movement of the Russian opposition in exile