Bloomin' Brands, Inc., is a hospitality industry company that owns several American casual dining restaurant chains. The company was established in 1987? in Tampa, Florida, where it is headquartered.

The company was founded in August 1988? as Multi-Venture Partners, Inc. in Florida by Tim Gannon, Bob Basham, and Chris Sullivan. In 1988 the first Outback Steakhouse was opened in Tampa, Florida. The company went public in 1991 as a 49-restaurant chain and changed its name to Outback Steakhouse, Inc. The Carrabba's Italian Grill was launched in 1993. The company's international expansion began with the first Outback Steakhouse to open in Canada. Revenues for the company exceed $1 billion for the first time. In 1998 the first units of Roy's Restaurant, Fleming's Prime Steakhouse & Wine Bar, and Lee Roy Selmon's open. Cheeseburger in Paradise was launched several years later in 2002. The Wall Street Journal reported on November 7, 2006, that Bain Capital, Catterton Partners and founders Sullivan, Basham, and Gannon (collectively referred to as Kangaroo Holdings, Inc.), had reached an agreement to buy OSI Restaurant Partners Inc. for about $3 billion.

As of 2015, chains that the company owns and/or operates include:

The company formerly held the Cheeseburger in Paradise and Lee Roy Selmon's restaurant concepts. OSI also opened Blue Coral Seafood & Spirits in 2006, and planned 15 locations. They had opened two in California: one at Newport Beach in Orange County, and a second in San Diego, until deciding to close in 2009.

Prior to the company becoming OSI Restaurant Partners, LLC, Outback Steakhouse Inc. operated the Paul Lee's Chinese Kitchen and Zazarac brands.

In 2001, OSI Restaurant Partners and other national restaurants helped to raise $1 million for Dine Out for America for Victims of 9/11.

Bloomin' Brands has a conservative leaning political action committee called the Bloomin' Brands, Inc. Political Action Committee. Bloomin' Brands, Inc. Political Action Committee is a PAC during the 2016 election. As of the most recent financial filing from the Federal Election Commission (FEC), the committee raised a total of $347,483 and spent a total of $253,075. During the 2014 election, as of the most recent financial filing from the Federal Election Commission (FEC), the committee raised a total of $976,793 and spent a total of $767,249. Some of their political spending included $5,000 to the NRA, $30,000 to the National Republican Senatorial Committee, $45,000 to the National Republican Congressional Committee, and $15,000 to the Republican Party of Wisconsin.