| Jorge Stewart | |
| Birth Date: | c.1900 |
| Birth Place: | Buenos Aires, Argentina |
| Death Place: | Buenos Aires, Argentina |
| Position: | Lock |
| Youthclubs1: | Club Atlético San Isidro |
| Amatteam1: | San Isidro Club |
| Repyears1: | 1932 |
Jorge Stewart was an Argentine rugby union footballer, president of San Isidro Club. and vice president of the Argentine Rugby Union.
Stewart was born in Buenos Aires around 1900. In the 1920s, he began his career in the Club Atlético San Isidro. In 1935 was sanctioned together with other San Isidro players, by the executive committee of the CASI. That same year he participated in the founding of the SIC. Stewart was the captain of the team in 1936.
On May 3, 1936, the San Isidro Club played its first match against Olivos Rugby Club, with a score 7–6 in favor of Olivos. He also played for the national team, his first test match was against South Africa, on July 16, 1932.
Jorge Stewart was president of the San Isidro Club, between April 26, 1950, and May 10, 1954.