O. maculata
# O. maculata

O. maculata may refer to:

* Oaracta maculata, a geometer moth
* Ocyropsis maculata, a comb jelly
* Odontocheilopteryx maculata, a snout moth
* Oeceoclades maculata, a monk orchid
* Oecia maculata, a long-horned moth
* Oedipoda maculata, a band-winged grasshopper
* Oligoria maculata, an American skipper
* Oliva maculata, a sea snail
* Onchidella maculata, a sea slug
* Ophryotrocha maculata, a ringed worm
* Orchis maculata, a perennial plant
* Orleanesia maculata, a plant native to South America
* Oxycera maculata, a soldier fly
* Oxychona maculata, a land snail
* Oxymeris maculata, an auger snail
