B. maculata may refer to:
Badumna maculata, an intertidal spider Balionycteris maculata, a Southeast Asian megabat Bambusa maculata, an evergreen plant Barygenys maculata, a frog endemic to Papua New Guinea Bathyraja maculata, a Pacific skate Begonia maculata, a plant native to Brazil Belone maculata, a marine fish Belonogaster maculata, a quasisocial wasp Bertolonia maculata, a plant native to South America Bicalcasura maculata, a Dominican weevil Biceropsis maculata, a daddy longlegs Blackburnia maculata, a ground beetle Bohpa maculata, a chalcid wasp Boiruna maculata, a colubrid snake Boulengerella maculata, a South American pike-characin Brachichila maculata, a ground beetle Brahmaea maculata, an African moth Brassia maculata, a North American orchid Brownleea maculata, a plant native to Africa Burlingtonia maculata, an orchid endemic to Brazil