D. montana

D. montana may refer to:

• Deconica montana, mountain moss psilocybe, a mushroom
• Deudorix montana, a butterfly in the family Lycaenidae
• Downingia montana, the Sierra calicoflower, a flowering plant species native to California
• Drepanosticta montana, a damselfly in the family Platystictidae
• Drosophila montana, a fruit fly in the family Drosophilidae