| Semyon Antonov | |
| Number: | 11 |
| Birth Date: | 18 July 1989 |
| Birth Place: | Nizhnevartovsk, Russian SFSR, Soviet Union |
| Height Ft: | 6 |
| Height In: | 8 |
| Weight Lbs: | 229 |
| Nationality: | Russian |
| League: | VTB United League |
| Team: | CSKA Moscow |
| Draft Year: | 2011 |
| Career Start: | 2006 |
| Years1: | 2006–2009 |
| Team1: | Avtodor Saratov |
| Years2: | 2009–2010 |
| Team2: | TSU Basket Tambov |
| Years3: | 2011–2016 |
| Team3: | Nizhny Novgorod |
| Years4: | 2016–present |
| Team4: | CSKA Moscow |
| Highlights: |
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Semyon Sergeyevich Antonov (Russian: Семён Сергеевич Антонов, born July 18, 1989) is a Russian professional basketball player for CSKA Moscow of the VTB United League. He also represents the senior Russian national team, winning bronze medals at European and Olympic level.
Antonov started his profession career with Avtodor Saratov in 2006. He stayed in the club until the end of 2008–09 season, and moved to TSU Basket Tambov for one season. In 2011, he moved to Nizhny Novgorod where he stayed for six seasons.
On June 17, 2016, Antonov signed a two-year contract with the option of another year with the Russian team CSKA Moscow.[1] On June 21, 2021, Antonov renewed his contract with CSKA for three more seasons.
Antonov was a member of the junior national teams of Russia. With Russia's junior national teams, he played at the 2007 FIBA Europe Under-18 Championship, the 2008 FIBA Europe Under-20 Championship, and the 2009 FIBA Europe Under-20 Championship.
He has also been a member of the senior Russian national basketball team. With Russia's senior team, he played at the EuroBasket 2011, where he won a bronze medal,[2] and at the 2012 Summer Olympics, where he won a bronze medal. He has also played at the EuroBasket 2013, the EuroBasket 2015, and the EuroBasket 2017.[3]
| † | Denotes seasons in which Antonov won the EuroLeague |
|-| style="text-align:left;"| 2014–15| style="text-align:left;"| Nizhny Novgorod| 24 || 23 || 25.6 || .380 || .384 || .700 || 3.4 || 1.7 || .5 || .6 || 7.1 || 5.3|-| style="text-align:left;"| 2016–17| style="text-align:left;" rowspan="6"| CSKA Moscow| 28 || 3 || 8.7 || .468 || .538 || 1.000 || 1.1 || .3 || .3 || .3 || 2.1 || 1.4|-| style="text-align:left;"| 2017–18| 34 || 22 || 13.7 || .500 || .400 || .727 || 2.1 || .6 || .4 || .5 || 4.2 || 4.0|-| style="text-align:left;background:#AFE6BA;"| 2018–19†| 21 || 5 || 7.1 || .324 || .133 || .556 || 1.0 || .1 || .1 || .0 || 1.4 || 1.0|-| style="text-align:left;"| 2019–20| 21 || 0 || 7.9 || .405 || .077 || .786 || 1.3 || .0 || .2 || .1 || 2.0 || 1.7|-| style="text-align:left;"| 2020–21| 32 || 1 || 8.5 || .431 || .458 || .500 || 1.0 || .3 || .2 || .1 || 1.8 || 1.1|-| style="text-align:left;"| 2021–22| 18 || 4 || 8.6 || .487 || .364 || .500 || 1.0 || .1 || .2 || .2 || 2.6 || 1.6|- class="sortbottom"| style="text-align:center;" colspan=2|Career| 178 || 58 || .9 || .427 || .377 || .693 || 1.6 || .5 || .3 || .3 || 3.1 || 2.4