| Birth Date: | 7 January 1976 |
| Birth Place: | Starokulchubayevo, Bashkortostan, Russian SFSR, Soviet Union |
| Sport: | Athletics |
| Club: | Inzer |
| Education: | Bashkir State University |
| Event: | 5000 m, half marathon, marathon |
| Pb: | 5000 m – 13:49.35 (2008) HM – 1:03:55 (2007) Mar – 2:10:25 (2011) |
Grigoriy Aleksandrovich Andreyev (Russian: Григорий Александрович Андреев; born 7 January 1976) is a Russian marathon runner. He competed at the 2004, the 2008 and 2012 Olympics and finished 19th, 14th and 37th, respectively.
Andreyev coaches his wife, Iuliia Andreeva, who is a Kyrgyzstani Olympic marathon runner. They have one daughter.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| 2003 | Košice, Slovakia | 1st | Marathon | 2:13:24 | |
| 2004 | Hamburg Marathon | Hamburg, Germany | 6th | Marathon | 2:11:53 |
| Athens, Greece | 19th | Marathon | 2:16:55 | ||
| 2005 | Nagano Marathon | Nagano, Japan | 2nd | Marathon | 2:11:20 |
| Helsinki, Finland | 46th | Marathon | |||
| 2006 | Nagano Marathon | Nagano, Japan | 2nd | Marathon | 2:11:19 |
| European Championships | Göteborg, Sweden | 17th | Marathon | 2:16:36 | |
| 2007 | Nagano Marathon | Nagano, Japan | 2nd | Marathon | 2:13:32 |
| Frankfurt Marathon | Frankfurt, Germany | 10th | Marathon | 2:11:02 | |
| 2008 | Beijing, PR China | 14th | Marathon | 2:13:33 | |
| 2009 | Boston Marathon | Boston, United States | 12th | Marathon | 2:16:17 |
| Twin Cities Marathon | Minneapolis, United States | 5th | Marathon | 2:13:59 |