Leo Burnett Worldwide
| Company type | Subsidiary |
|---|---|
| Industry | Advertising |
| Founded | August 5, 1935 |
| Founder | Leo Burnett |
| Headquarters | , United States |
Number of locations | 85 offices worldwide |
Number of employees | 9,000+ |
| Parent | Publicis Groupe |
| Divisions | Arc Worldwide Rokkan Turner Duckworth |
| Website | leoburnett |
Leo Burnett Worldwide, Inc., also known as Leo Burnett Company, Inc., is an American advertising company, founded on August 5, 1935, in Chicago by Leo Burnett.
In September 2002, the company was acquired by Publicis Groupe, the world's third largest advertising agency holding group and one of the largest agency networks.