L. montana may refer to:

• Limnanthes montana, mountain meadowfoam
• Lindernia montana, a plant of the family Linderniaceae
• Lophocampa montana, a moth of the family Erebidae
• Lophostachys montana, a plant of the acanthus family

• Mrs. Rosa Caroline Mackworth ("Mrs. Campbell Praed") Praed
• Mrs. Russell Sage
• Mrs. Salt
• Mrs. Santa Claus
• Mrs. Scholfield
• Mrs. Sheehan
• Mrs. Siddons
• Mrs Siddons
• Mrs Simpson
• Mrs. sinclair
• Mrs slocombe
• Mrs. Smith's
• Mrs. Soffel
• Mrs. spoon
• Mrs spoon
• Mrs. Spring Fragrance
• Mrs. SquarePants
• Mrs Stellenbosch
• Mrs. Steve
• Mrs. Stewart's Bluing
• Mrs. Stewart's Bluing Agent
• Mrs. Swink
• Mr. Stabby
• Mr Stabby
• Mr. Stain