Ariel Behar (Spanish pronunciation: [aˈɾjel βeˈaɾ];[1][a] born November 12, 1989) is a Uruguayan professional tennis player who specializes in doubles.

Also in 2022, he reached a fourth final and won his third ATP 250 title with Escobar at the 2022 Serbia Open defeating top seeds Nikola Mektić and Mate Pavić.

[7] At the 2023 French Open he won his first round match with new partner Adam Pavlásek over Albert Ramos Viñolas and Bernabe Zapata Miralles.

The Uruguayan-Czech team upset fifth seeds Santiago González and Neal Skupski in three sets to advance and face next, first time doubles quarterfinalists newly formed Chinese-Czech duo of Zhang Zhizhen and Tomáš Macháč.

[13] Partnering with Robert Galloway, he was runner-up at the Japan Open, losing to British duo, Julian Cash and Lloyd Glasspool, in the final.

a Because of a delay in schedule due to rain, the first two rounds of the competition were played best-of-three sets instead of the usual best-of-five format.