Mangakarengorengo River

{{Use New Zealand English|date=April 2024}}

{{Use dmy dates|date=July 2019}}

{{Infobox river

| name = Mangakarengorengo River

| image = Mangakarengorengo River 72.JPG

| image_size =

| image_caption = Mangakarengorengo River at McLaren Falls, at the confluence with the Mangapapa River

| source1_location =

| mouth_location = Wairoa River

| subdivision_type1 = Country

| subdivision_name1 = New Zealand

| length =

| source1_elevation =

| mouth_elevation =

| discharge1_avg =

| basin_size =

}}

The Mangakarengorengo River is a river of the Bay of Plenty Region of New Zealand. It is a tributary of the Wairoa River.