A. maculatum may refer to:
Plantae Arum maculatum, a common woodland plant species widespread across temperate northern Europe Anisophyllum maculatum, an annual, a plant native to North America, and invasive worldwide
Animalia Armadillidium maculatum, the "zebra pillbug", a species of woodlouse, a type of isopod crustacean Anorostoma maculatum, a fly species Anelaphus maculatum, a beetle species Ambystoma maculatum, the "spotted salamander", a species of amphibian found in Eastern North America Amblyomma maculatum, the "Gulf Coast tick" Achryson maculatum, a species of longhorn beetle found in South America
See also
Maculatum (spotted, patchy, mottled; having spots)