Philodendron tripartitum (syn. Philodendron fenzlii) is a species of flowering plant in the family Araceae. Some authorities continue to recognize Philodendron fenzlii as a valid species. It is native to southern Mexico, Central America, Jamaica, Colombia, Ecuador, Venezuela, and northern Brazil. Ahemiepiphyte, it is typically found in the wet tropics at elevations from , and in cultivation it is considered "very aggressive."