Sayansk

{{Short description|Town in Irkutsk Oblast, Russia}}

{{Use mdy dates|date=October 2012}}

{{Infobox Russian town

|en_name=Sayansk

|ru_name=Саянск

|image_skyline=Город большой химии.jpg

|image_caption=Entrance to the city

|coordinates = {{coord|54|07|N|102|10|E|display=inline,title}}

|map_label_position=right

|image_coa=Coat of Arms of Sayansk (Irkutsk oblast).png

|coa_caption=

|image_flag=Flag of Sayansk (Irkutsk oblast).png

|flag_caption=

|anthem=

|anthem_ref=

|holiday=

|holiday_ref=

|federal_subject=Irkutsk Oblast

|federal_subject_ref=

|adm_data_as_of=December 2011

|adm_city_jur=Town of Sayansk

|adm_city_jur_ref=Law #49-OZ

|adm_ctr_of=Town of Sayansk

|adm_ctr_of_ref=

|inhabloc_cat=Town

|inhabloc_cat_ref=

|inhabloc_type=

|inhabloc_type_ref=

|mun_data_as_of=December 2011

|urban_okrug_jur=Sayansk Urban Okrug

|urban_okrug_jur_ref=

|mun_admctr_of=Sayansk Urban Okrug

|mun_admctr_of_ref=

|leader_title=

|leader_title_ref=

|leader_name=

|leader_name_ref=

|representative_body=

|representative_body_ref=

|area_of_what=

|area_as_of=

|area_km2=

|area_km2_ref=

|pop_2010census=40800

|pop_2010census_ref={{ru-pop-ref|2010Census}}

|pop_density=

|pop_density_as_of=

|pop_density_ref=

|pop_latest=

|pop_latest_date=

|pop_latest_ref=

|established_date=1970

|established_title=

|established_date_ref=

|current_cat_date=

|current_cat_date_ref=

|prev_name1=

|prev_name1_date=

|prev_name1_ref=

|postal_codes=

|postal_codes_ref=

|dialing_codes=39553

|dialing_codes_ref=

|website=http://www.admsayansk.ru/

|website_ref=

|commonscat=

|date=April 2010

}}

Sayansk ({{lang-rus|Саянск|p=sɐˈjansk}}) is a town in Irkutsk Oblast, Russia, located on the Oka River (Angara River's basin) {{convert|270|km|sp=us}} northwest of Irkutsk. Population: {{ru-census|p2010=40,800|p2002=43,468|p1989=38,169}}