| Viktor Lopatyonok | |
| Fullname: | Viktor Sergeyevich Lopatyonok |
| Birth Date: | 18 February 1984 |
| Position: | Defender, Midfielder |
| Youthclubs1: | DYuSSh Smena-Zenit |
| Years1: | 2002–2004 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2004 |
| Caps2: | 26 |
| Goals2: | 0 |
| Years3: | 2005 |
| Caps3: | 13 |
| Goals3: | 0 |
| Years4: | 2005 |
| Clubs4: | FC Dynamo Vologda |
| Caps4: | 7 |
| Goals4: | 0 |
| Years5: | 2006–2007 |
| Clubs5: | FC Lipton Saint Petersburg |
Viktor Sergeyevich Lopatyonok (Russian: Виктор Сергеевич Лопатёнок; born 18 February 1984) is a former Russian footballer.
He played in the Russian Football National League for FC Petrotrest Saint Petersburg in 2005.