Legions of the Petal Throne is a set of combat rules for large-scale wargaming published by TSR in 1977.

Barker's fantasy role-playing game Empire of the Petal Throne, set in the land of Tékumel.

In his 2014 book Designers & Dragons, Shannon Appelcline noted that after publishing Empire of the Petal Throne, TSR "offered no roleplaying support for Tékumel except in Dragon magazine, though they did put out one more Tékumel strategy game, the miniatures-based Legion of the Petal Throne (1977).

"[2]: 19 Legions of the Petal Throne is a set of rules designed by Dave Sutherland that can be used for army-sized combat using military figurines.

He complimented author Dave Sutherland for producing "a good simulation of the rather formal warfare characteristic of Tekumel, with lots of colourful detail."