The Chessmen of Mars is a science fantasy novel by American writer Edgar Rice Burroughs the fifth of his Barsoom series.

Burroughs began writing it in January 1921 and the finished story was first published in Argosy All-Story Weekly as a six-part serial in 1922. It was later published as a complete novel by A. C. McClurg in November 1922.

In this novel Burroughs focuses on a younger member of the family established by John Carter and Dejah Thoris protagonists of the first three books in the series. The heroine this time is their daughter Tara princess of Helium whose hand is sought by the gallant Gahan Jed (prince) of Gathol. Both Helium and Gathol are prominent Barsoomian city-states.