Kostas Kubilinskas (1 July 1923 in Vilkaviškis district – 9 March 1962 near Moscow) was a Lithuanian poet known for his writing for children. Amongst his books is The Frog Queen, a 1974 collection of children's poetry illustrated by Algirdas Steponavicius and translated into English by Avril Pyman. In 2007 his poem The Wolf with a Frozen Tail was adapted into an animated film directed by , The Tail.