Sankt Ilgen

{{Infobox settlement

| name = Sankt Ilgen

| native_name =

| settlement_type = Former municipality

| image_skyline = Sankt Ilgen 294A5511.jpg

| imagesize = 270

| image_caption = Sankt Ilgen

| image_shield = Wappen Sankt Ilgen Steiermark.png

| shield_size =

| shield_link =

| pushpin_map = Austria

| pushpin_mapsize = 270

| pushpin_map_caption = Location within Austria

| image_map =

| mapsize =

| map_alt =

| map_caption = Location within Bruck-Mürzzuschlag district

| coordinates = {{coord|47|32|41|N|15|09|59|E|display=inline,title}}

| subdivision_type = Country

| subdivision_name = Austria

| subdivision_type1 = State

| subdivision_name1 = Styria

| subdivision_type2 = District

| subdivision_name2 = Bruck-Mürzzuschlag

| parts_type =

| parts_style = para

| p1 =

| leader_title1 =

| leader_name1 =

| area_total_km2 = 73.44

| area_metro_km2 =

| elevation_m = 736

| elevation_max_m =

| elevation_min_m =

| population_total = 275

| population_as_of = 1 January 2016

| population_footnotes = [http://www.statistik.at/wcm/idc/idcplg?IdcService=GET_NATIVE_FILE&RevisionSelectionMethod=LatestReleased&dDocName=080904 Statistik Austria - Bevölkerung zu Jahresbeginn 2002-2016 nach Gemeinden (Gebietsstand 1.1.2016)] for Sankt Ilgen.

| population_urban =

| population_metro =

| population_note =

| population_density_km2 = auto

| established_title =

| established_date =

| timezone = CET

| timezone_DST = CEST

| utc_offset = +1

| utc_offset_DST = +2

| registration_plate = BM

| postal_code_type = Postal code

| postal_code = 8621

| area_code_type = Area code

| area_code = 03861

| website = [http://www.st-ilgen.at www.st-ilgen.at]

| footnotes =

}}

Sankt Ilgen was a municipality in the district of Bruck-Mürzzuschlag in Styria, Austria.

As of 1 January 2015 it has been incorporated into Thörl.