B. montana may refer to:
Banksia montana, the Stirling Range dryandra, a shrub of the family Proteaceae Belantsea montana, an extinct petalodontid cartilaginous fish Bigotilia montana, a moth of the family Pterophoridae Borboniella montana, a moth of the family Tortricidae Bosara montana, a moth of the family Geometridae Brachychampsa montana, an extinct alligatoroid Brachypteryx montana, the white-browed shortwing Bryotropha montana, a moth of the family Gelechiidae Bucculatrix montana, a moth in the family Bucculatricidae Buddleja montana, a shrub of the figwort family