K115 or K-115 may refer to:

K-115 (Kansas highway), a state highway in Kansas Bakuriani K-115, a ski jump hill 9K115 Metis, an anti-tank missile 9K115-2 Metis-M, an anti-tank missile HMCS Lévis (K115), a former Canadian Navy ship

See also Ripasudil, previously known as K-115