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"Sir Galahad" is a poem written by Alfred Tennyson, 1st Baron Tennyson, and published in his 1842 collection of poetry. It is one of his many poems that deal with the legend of King Arthur, and describes Galahad experiencing a vision of the Holy Grail. The subject of the poem was later included in "The Holy Grail" section of Tennyson's Idylls of the King, but the latter version depicts Galahad as a pious individual who is grimly determined to fulfill his destiny. Sir Galahad, in contrast, depicts Galahad as proud, and has almost cheerful undertones.