C. portoricensis may refer to:
Caesalpinia portoricensis, a flowering plant Calliandra portoricensis, a perennial tree Calyptranthes portoricensis, a plant endemic to Puerto Rico Canna portoricensis, a garden plant Clidemia portoricensis, a flowering plant Cnicus portoricensis, a thistle that is widespread in Mexico and the West Indies Coccocrater portoricensis, a deepwater limpet Colliuris portoricensis, a ground beetle Condylostylus portoricensis, a long-legged fly Contopus portoricensis, a tyrant flycatcher Crescentia portoricensis, a perennial evergreen Critonia portoricensis, a flowering plant Cyathea portoricensis, a tree fern Cyclura portoricensis, a rock iguana Cynometra portoricensis, a tropical tree