Walras is surname of:
- (Antoine-)Auguste Walras (1801–1866), French school administrator and (amateur) economist
- (Marie-Esprit-)Léon Walras (1834–1910), French mathematical economist
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- Walras' law
- Walras-Bowley Lecture, an annual lecture of the Econometric Society
- Walras's Progressive Theory of Capital, posited by Léon Walras in 1874
- Walrasian auction, introduced by Léon Walras