"Errantry" is a three-page poem by J.R.R. Tolkien, first published in The Oxford Magazine in 1933. It was included in revised and extended form in Tolkien's 1962 collection of short poems, The Adventures of Tom Bombadil. Donald Swann set the poem to music in his 1967 song cycle, The Road Goes Ever On.

The Adventures of Tom Bombadil is a 1962 collection of poetry by J. R. R. Tolkien. The book contains 16 poems, two of which feature Tom Bombadil, a character encountered by Frodo Baggins in The Lord of the Rings. The rest of the poems are an assortment of bestiary verse and fairy tale rhyme. Three of the poems appear in The Lord of the Rings as well. The book is part of Tolkien's Middle-earth legendarium.