| Birth Place: | Oral, Kazakh SSR, Soviet Union |
| Height: | 187 cm |
| Weight: | 95 kg |
| Sport: | Canoe sprint |
| Coach: | Andrey Shantarovich (national) Alexander Akunishnikov (personal) |
| Club: | Akzhayik |
| Show-Medals: | yes |
Alexey Viktorovich Dergunov (Russian: Алексей Викторович Дергунов; born 16 September 1984) is a Kazakhstani canoe sprinter who won a gold and a silver medal in doubles (K-2 200 m and 1000 m) at the 2014 Asian Games. Earlier at the 2008 Summer Olympics he was eliminated in the semifinals of the K-2 500 m event (with Dmitry Kaltenberger). At the 2012 Summer Olympics, competing with Yevgeny Alekseyev, he was knocked out in the first round of the K-2 200 m but reached the semifinals of the K-2 1000 m. At the 2016 Rio Games he failed to reach the finals of the K-1 200 m and K-2 1000 m events.
Dergunov took up kayaking in 1996. He has a degree in physical education from West Kazakhstan State University. He is married to Natalia and has a son Nikon.