Abbreviations beginning with R

RUCRoyal Ulster Constabulary (Northern Ireland; now the Police Service of Northern Ireland)
Governmental

RUCRegistro Unico De Contribuyente
International » Spanish

RUCRádio Universidade de Coimbra
Miscellaneous

RUCRear Underseat Cargo Tray
Miscellaneous » Automotive

RUCRedeemer University College (Canada)
Miscellaneous

RUCReims Université Club d'Escalade (French: Reims University Climbing Club)
Miscellaneous

RUCRelationships Under Construction
Miscellaneous » Construction

RUCRepublican Unity Coalition (Washington, DC)
Miscellaneous

RUCResponsable Univers de Consommation (French: Responsible Consumption Universe)
Miscellaneous

RUCRoskilde Universitetscenter (German: Roskilde University Center; now Roskilde Universitet)
Miscellaneous

RUCReally Useless Cup
Sports

RUCARural-Urban Commuting Area (demographic studies; USDA)
Governmental

RUCARussell Cave National Monument (US National Park Service)
Governmental