Rotopouri

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

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

{{Infobox body of water

|name = Rotopouri

|image =

|caption =

|image_bathymetry =

|caption_bathymetry =

|location = Northland Region, North Island

|coords = {{coord|36.302805|S|174.0883315|E|type:waterbody|display=title,inline}}

|type =

|inflow =

|pushpin_map=Northland

| pushpin_map_alt = Location of Rotopouri

|outflow =

|catchment =

|basin_countries = New Zealand

|length =

|width =

|area =

|depth =

|max-depth =

|volume =

|residence_time =

|shore =

|elevation =

|islands =

|cities =

}}

Rotopouri is a lake close to Kaipara Harbour in the north of New Zealand's Northland Region.