Mastro's Restaurants is an American fine dining steakhouse chain known for its ultra-high prices, selective locations, and celebrity clientele.

In 2007, the restaurant group was acquired by private equity firms Kinderhook Industries LLC and Soros Strategic Partners LP with plans to expand.

[2] In 2013, Mastro's Restaurants was acquired by Landry's, Inc.[3] Then mostly a Western US chain, the company expanded east to New York City, Boston, and Ft. Lauderdale, Florida.

[7] The Post Oak Hotel location was the recipient of Wine Spectator’s highest restaurant award.

[8] A major outbreak of COVID-19 occurred among workers at the Mastro's Palm Desert location in 2021.