PCPA may refer to:

Science para-Chlorophenylalanine (fenclonine), a synthetic amino acid Premature cleavage and polyadenylation para-Chlorophenoxyacetate (pCPA), a pesticide

Other Pacific Conservatory of the Performing Arts, a school in Santa Maria, California, United States Poor Clares of Perpetual Adoration, an order of nuns in the Franciscan tradition Portland Center for the Performing Arts, in Portland, Oregon, United States