Alejo Russell
Alejo Domingo Russell was an Argentine tennis player who competed in the 1930s, 1940s and 1950s. He reached the quarterfinals of the U.S. National Championships in 1942 and 1945 and was a finalist in the mixed doubles in 1942.
Grand Slam finals
Mixed doubles: (0 title, 1 runners-up)
| Outcome | Year | Championship | Partner | Opponents in final | Score in final |
| Runner-up | 1942 | U.S. Championships |  Patricia Canning Todd | Louise Brough Frederick Schroeder | 6–3, 1–6, 4–6 |