A. portoricensis may refer to:
Acalypha portoricensis, a plant with nettle-like leaves Aeschynomene portoricensis, a flowering plant Alchorneopsis portoricensis, a plant native to Puerto Rico Amphinectria portoricensis, a fungus with pseudoparaphyses Anemia portoricensis, a flowering fern Antirhea portoricensis, synonym of Stenostomum portoricense, a plant endemic to Puerto Rico Apenes portoricensis, a ground beetle Aristida portoricensis, a grass endemic to Puerto Rico