Ouderkerk

{{Infobox settlement

| name = Ouderkerk

| settlement_type = Former municipality

| image_skyline = Ouderkerk aan den IJssel.jpg

| image_alt =

| image_caption = View over Ouderkerk aan den IJssel

| image_flag = Ouderkerk (Zuid-Holland) vlag.svg

| flag_size = 100x67px

| flag_alt =

| image_shield = Coat of arms of Ouderkerk.svg

| shield_size = 100x80px

| shield_alt =

| image_map = Map - NL - Municipality code 0644 (2009).svg

| map_alt = Highlighted position of Ouderkerk in a municipal map of South Holland

| map_caption = Location in South Holland

| coordinates = {{coord|51|56|N|4|38|E|region:NL|display=inline,title}}

| coordinates_footnotes =

| subdivision_type = Country

| subdivision_name = Netherlands

| subdivision_type1 = Province

| subdivision_name1 = South Holland

| subdivision_type2 = Municipality

| subdivision_name2 = Krimpenerwaard

| established_title = Established

| established_date = 1 January 1985

| unit_pref = Metric

| area_footnotes = {{Dutch municipality total area|dataref}}

| area_total_km2 = {{Dutch municipality total area|Ouderkerk}}

| area_land_km2 = {{Dutch municipality land area|Ouderkerk}}

| area_water_km2 = {{Dutch municipality water area|Ouderkerk}}

| elevation_footnotes = {{cite web

|url = http://www.ahn.nl/postcodetool

|title = Postcodetool for 2935AB

|trans-title=|language = Dutch

|author =

|date =

|work = Actueel Hoogtebestand Nederland

|publisher = Het Waterschapshuis

|accessdate = 17 August 2013}}

| elevation_m = 0

| elevation_max_footnotes =

| elevation_max_m =

| elevation_min_footnotes =

| elevation_min_m =

| population_footnotes = {{Dutch municipality population|dataref}}

| population_total = {{Dutch municipality population|Ouderkerk}}

| population_as_of = {{MONTHNAME|{{Dutch municipality population|popbasemonth}}}} {{Dutch municipality population|popbaseyear}}

| population_density_km2 = {{Dutch municipality population density|Ouderkerk}}

| population_demonym = Ouderkerker

| timezone1 = CET

| utc_offset1 = +1

| timezone1_DST = CEST

| utc_offset1_DST = +2

| postal_code_type = Postcode

| postal_code = 2830–2831, 2935

| area_code_type = Area code

| area_code = 0180, 0182

| website = {{URL|1=http://www.ouderkerk.nl}}

| footnotes =

}}

Ouderkerk ({{IPA|nl|ˈʌudərˌkɛr(ə)k|-|346 Ouderkerk.ogg}}) is a former municipality in the western Netherlands, in the province of South Holland. Since 2015 it has been a part of the municipality of Krimpenerwaard.

The former municipality covered an area of {{convert|{{Dutch municipality total area|Ouderkerk}}|km2|abbr=on}} of which {{convert|{{Dutch municipality water area|Ouderkerk}}|km2|abbr=on}} was water. It was formed on 1 January 1985, after a municipal reorganization.

The former municipality of Ouderkerk consisted of the population centres Gouderak, Lageweg, Ouderkerk aan den IJssel, and IJssellaan, all situated along the Hollandse IJssel river.