| Alejo Russell | |
| Fullname: | Alejandro Domingo Russell |
| Birth Date: | 9 September 1916 |
| Birth Place: | Córdoba, Argentina |
| Death Place: | Bayonne, France |
| Plays: | Right-handed (one-handed backhand) |
| Turnedpro: | 1936 (amateur) |
| Retired: | 1955 |
| Singlestitles: | 19 |
| Frenchopenresult: | 3R (1952) |
| Wimbledonresult: | 4R (1939) |
| Usopenresult: | QF (1942, 1945) |
| Wimbledondoublesresult: | QF (1948, 1952)[1] |
| Mixed: | yes |
| Wimbledonmixedresult: | SF (1938) |
| Usopenmixedresult: | F (1942) |
| Team: | yes |
| Daviscupresult: | FAm (1958) |
Alejo Domingo Russell (9 September 1916 – 25 May 1977) 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 (partnering Patricia Todd).