Andrey Grechin

{{short description|Russian swimmer}}

{{Use dmy dates|date=May 2016}}

{{Infobox swimmer|

| name= Andrey Grechin

| image= Kazan 2015 - Andrey Grechin (cropped).JPG

| imagesize= 250

| caption = Grechin at the 2015 World Championships

| fullname = Andrey Vladimirovich Grechin

| nationality = {{RUS}}

| strokes = Freestyle

| birth_date = {{Birth date and age|1987|10|21|df=y}}

| birth_place = Barnaul, Altai Krai, Russian SFSR, Soviet Union

| height = 1.99 m

| weight = 94 kg

|coach=Gennadi Touretski

| medaltemplates=

{{MedalCountry|{{RUS}}}}

{{MedalCompetition|Olympic Games}}

{{MedalBronze|2012 London|4×100 m freestyle}}

{{MedalCompetition|World Championships (LC)}}

{{MedalSilver|2009 Rome|4×100 m freestyle}}

{{MedalSilver|{{nowrap|2015 Kazan}}|4×100 m freestyle}}

{{MedalBronze|2013 Barcelona|4×100 m freestyle}}

{{MedalCompetition|European Championships (LC)}}

{{MedalGold|2008 Eindhoven|4×100 m medley}}

{{MedalGold|2010 Budapest|4×100 m freestyle}}

{{MedalSilver|2006 Budapest|4×100 m freestyle}}

{{MedalSilver|2014 Berlin|4×100 m freestyle}}

{{MedalSilver|2014 Berlin|4×100 m mixed freestyle}}

{{MedalSilver | 2010 Budapest | 4×100 m medley}}

{{MedalCompetition|European Championships (SC)}}

{{MedalSilver|2011 Szczecin|4×50 m freestyle}}

{{MedalSilver|2012 Chartres|4×50 m freestyle}}

{{MedalSilver|2012 Chartres|4×50 m mixed freestyle}}

{{MedalCompetition|Summer Universiade}}

{{MedalGold|2007 Bangkok|100 m freestyle}}

{{MedalGold|2007 Bangkok|4×100 m medley}}

{{MedalGold|2013 Kazan|4×100 m freestyle}}

{{MedalGold|2013 Kazan|4×100 m medley}}

{{MedalSilver|2013 Kazan|50 m freestyle}}

{{MedalBronze|2007 Bangkok|4×100 m freestyle}}

}}

Andrey Vladimirovich Grechin ({{langx|ru|Андрей Владимирович Гречин}}, born 21 October 1987) is a Russian swimmer. He competed in the 50 m, 100 m and 4 × 100 m freestyle and 4 × 100 m medley events at the 2008 and 2012 Olympics and won a bronze medal in the 4 × 100 m freestyle relay in 2012. He won three more medals in this event at the world championships in 2009–2015.