Kostanay District

{{Infobox settlement

| name = Kostanay

| settlement_type = District

| official_name = Қостанай ауданы

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| image_skyline = Административное здание поселка Садчиковка.jpg

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| image_caption = Administrative building of Sadchikovka village, Kostanay District

| image_flag =

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| image_seal = Qostanaý district seal.png

| seal_size = 150px

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| image_map = Kostanay District Kazakhstan.png

| mapsize = 300px

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| mapsize1 = 150px

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| subdivision_type = Country

| subdivision_name = {{KAZ}}

| subdivision_type1 = Region

| subdivision_name1 = Kostanay Region

| subdivision_type2 = Administrative center

| subdivision_name2 = Tobyl

| seat_type =

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| leader_title = Akim

| leader_name = Olzhas Nurgaliyev{{cite web|url=https://www.inform.kz/ru/treh-rayonnih-akimov-naznachili-v-kostanayskoy-oblasti-003e80|title=Трех районных акимов назначили в Костанайской области|language=ru|publisher=inform.kz|date=2024-12-26|access-date=2024-12-26}}

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| unit_pref = Imperial

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| population_as_of = 2013

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| population_total = 68914

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| timezone = East

| utc_offset = +5

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}}

Kostanay ({{langx|kk|Қостанай ауданы}}, {{lang|kk-Latn|Qostanai audany}}) is a district of Kostanay Region in eastern Kazakhstan. The administrative center of the district is the urban-type settlement of Tobyl.{{Cite web |url=http://www.geonames.de/coukz-sub.html |title=www.geonames.de Subdivisions of Kazakhstan in local languages |access-date=2008-04-22 |archive-url=https://web.archive.org/web/20160303170443/http://www.geonames.de/coukz-sub.html |archive-date=2016-03-03 |url-status=dead }} Population: {{Kz-population2013|68914|punct=;}} {{Kz-census2009|67,512|punct=;}} {{Kz-census1999|65,435|punct=.}}