| Headercolor: | Gold |
| Native Name: | Опан Владимирович Сат |
| Opan Sat Опан Сат | |
| Fullname: | Opan Vladamirovich Sat |
| Nationality: | Russian  Turkish |
| Residence: | Krasnoyarsk, Russia |
| Birth Date: | 13 June 1987 |
| Birth Place: | Chadan, Tyva Republic, Russia |
| Height: | 172 cm |
| Country: | (until 2013) (since 2014) |
| Sport: | Wrestling |
| Weight Class: | 60-65 kg |
| Rank: | Honored Master of Sports of Russia |
| Event: | Freestyle |
| Club: | Mindiashvili Wrestling Academy |
| Coach: | Vladimir Tulush (Tuva), Islam Matiev (Chechnya) |
| Worlds: | 5th (2017) |
| Regionals: | (2010) (2011) (2013) |
| Nationals: | (2009, 2010) (2011, 2012) (2007, 2013) |
| Show-Medals: | Yes |
Opan Vladamirovich Sat, Cengizhan Erdogan (Turkish name) (Russian: Опан Владимирович Сат; ; born 13 June 1987) is a Russian and Turkish freestyle wrestler who won the gold medals at the 2010, 2011 and 2013 FILA Wrestling European Championships. He first won the title in 2010 and repeated his success in 2011 and 2013. Also, he represented Turkey at the 2017 World Wrestling Championships and finished 5th.
In the 2013 European Wrestling Championships he won the title by defeating Vladimir Dubov of Bulgaria 1–0, 2–1, in two straight periods and thus won his third title.[1] He is International Master of Sports in freestyle wrestling.[2]