USCA may refer to: Ulster Special Constabulary Association United States Canoe Association Federal Republic of Central America, also known as the United Provinces of Central America and (inaccurately) the United States of Central America United States of Central America, initially the Greater Republic of Central America, a later, short-lived union United States Climate Alliance United States Code Annotated United States Court of Appeals United States Croquet Association United States Curling Association University of South Carolina Aiken University Students' Cooperative Association, a student housing cooperative in Berkeley, California, United States USCA Foot, a Malagasy football club