| Stewart Greene | |
| Birth Name: | Stewart Greenbaum |
| Birth Date: | 24 June 1928 |
| Birth Place: | Brooklyn, New York, U.S. |
| Death Place: | Lloyd Harbor, New York, U.S. |
| Nationality: | American |
| Occupation: | Advertising executive |
Stewart Greene (born Stewart Greenbaum (June 24, 1928 – June 29, 2019) was an American advertising executive and a founder of Wells Rich Greene, an advertising agency known for its creative work. The agency served such high-profile clients as Procter & Gamble, Samsonite, and American Motors, and developed the I Love New York campaign. By 1971, Wells Rich Greene was one of the top 25 advertising agencies in the country. Greene died on June 29, 2019, at age 91, as a result of cardiac arrest from complications of lung cancer.[1]