RDAC

RDAC may refer to:


 * Digital potentiometer, also known as a Resistive Digital-to-Analog Converter
 * Radioactinium, abbreviated RdAc, a name given at one time to 227 Th, an isotope of thorium
 * Rebel Diaz Arts Collective, a community arts center in New York City
 * Redundant Disk Array Controller, a type of computing hardware
 * Roller Derby Association of Canada
 * Randall Davey House and surrounding Randall Davey Audubon Centre
 * Report of the Department of Antiquities, Cyprus, an archaeological journal