Komna is a mountain karst plateau in the Julian Alps in northwestern Slovenia. It has an elevation from to . It has a triangular shape and rises above the Bohinj Basin. To the east, it continues into the Triglav Lakes Valley. The lowest measured temperature in Slovenia was recorded at Komna in 9 January 2009: .
The name Komna is derived through ellipsis from *KomÃÂna (planota); the adjective *komÃÂna comes from the Slavic common noun *komÃÂ 'hill, mountain, elevation', and the second element means 'plateau'. The name therefore etymologically means 'mountain (plateau)'.
The Komna Lodge stands on Komna at an elevation of . It is operated by the Ljubljana Matica Alpine Club.