| Aleksei Leonov | |
| Fullname: | Aleksei Nikolayevich Leonov |
| Birth Date: | 21 January 1977 |
| Birth Place: | Losino-Petrovsky, Moscow Oblast, Russian SFSR |
| Position: | Midfielder |
| Youthyears1: | 1995–1996 |
| Youthclubs1: | Spartak Moscow |
| Years1: | 1996–1997 |
| Years2: | 1998 |
| Years3: | 1999 |
| Years4: | 2000–2003 |
| Years5: | 2004 |
| Years6: | 2005–2006 |
| Years7: | 2007 |
| Years8: | 2008 |
| Years9: | 2009–2010 |
| Years10: | 2011 |
| Clubs8: | Spartak Shchyolkovo |
| Clubs9: | Olimp-SKOPA Zheleznodorozhny |
| Clubs10: | Lyubertsy |
| Caps1: | 72 |
| Caps2: | 31 |
| Caps3: | 2 |
| Caps4: | 139 |
| Caps5: | 10 |
| Caps6: | 34 |
| Caps7: | 29 |
| Caps8: | 34 |
| Caps9: | 24 |
| Caps10: | 22 |
| Goals1: | 3 |
| Goals2: | 1 |
| Goals3: | 0 |
| Goals4: | 3 |
| Goals5: | 1 |
| Goals6: | 4 |
| Goals7: | 1 |
| Goals8: | 1 |
| Goals9: | 0 |
| Goals10: | 0 |
Aleksei Nikolayevich Leonov (Russian: Алексей Николаевич Леонов; born 21 January 1977) is a former Russian professional footballer.