In J. R. R. Tolkien's The Lord of the Rings, The Argonath, also known as The Gates of Argonath or The Pillars of the Kings, is a fictional monument comprising two enormous pillars, carved in the likenesses of Isildur and Anárion, standing upon either side of the River Anduin at the northern approach to Nen Hithoel, originally constructed about T. A. 1340 at the order of Rómendacil II to mark the northern border of Gondor, although the realm was greatly diminished in size by the time the Fellowship of the Ring passed the Argonath on February 25 3019. Each of the two figures was shown with an axe in its right hand and its left hand raised in a gesture of defiance to the enemies of Gondor.

In Peter Jackson's movie The Lord of the Rings: The Fellowship of the Ring the Argonath comprises two large and highly detailed models which are skilfully combined with live action footage and digital backgrounds to convey the proper sense of scale. Also seen in the movie is the quarry near one of the statues' feet, which the filmmakers reasoned would be necessary to provide stone blocks for the construction of the statues' uppermost sections.