Karerhat Union

{{Infobox settlement

| official_name = Karerhat Union

| native_name =

| settlement_type = Union

| image_skyline =

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| pushpin_map = Bangladesh

| pushpin_label_position = right

| pushpin_map_caption = Location in Bangladesh

| coordinates =

| subdivision_type = Country

| subdivision_name = Chittagong {{flag|Bangladesh}}

| subdivision_type1 = Division

| subdivision_type2 = District

| subdivision_type3 = Upazilas

| subdivision_name1 = Chittagong Division

| subdivision_name2 = Chittagong District

| subdivision_name3 = Mirsharai Upazila

| leader_title =

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| area_total_km2 = 148

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| population_total = 29,977

| population_as_of = 2001

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| timezone = BST

| utc_offset = +6

}}

Karerhat Union is a union, the smallest administrative body of Bangladesh, located in Mirsharai Upazila, Chittagong District, Bangladesh. The total population is 29,977.{{cite web |last1=Momtaz |first1=Ahmed |title=Mirsharai Upazila |url=http://en.banglapedia.org/index.php?title=Mirsharai_Upazila |website=Banglapedia |access-date=15 May 2020}}