T. montana may refer to:
Tegenaria montana, a funnel-web spider Thamnosma montana, a shrub, turpentine broom Thermopsis montana, mountain goldenbanner Thyretes montana, a moth of the family Erebidae Tillandsia montana, a plant of the family Bromeliaceae Tinguarra montana, a plant of the family Apiaceae Tolidostena montana, a beetle of the family Mordellidae Tolpia montana, a moth of the family Erebidae Trichosalpinx montana, an orchid Tricula montana, a freshwater snail Trifurcula montana, a moth of the family Nepticulidae Triteleia montana, mountain triteleia, a plant of the family Asparagaceae Trochocarpa montana, mountain tree heath, an Australian shrub Tupaia montana, the mountain treeshrew