Rethe

{{short description|River in Germany}}

{{Unreferenced|date=September 2020}}

{{Expand German|topic=geo|date=September 2011|Rethe}}

{{Infobox river

| name = Rethe

| image = Fluss Rethe mit Ölterminal.jpg

| image_size = 300

| image_alt =

| image_caption =

| map = {{Infobox mapframe}}

| map_size =

| map_alt =

| map_caption =

| source1_location = Reiherstieg

| mouth_location = Köhlbrand

| progression =

| subdivision_type1 = Country

| subdivision_name1 = Germany

| subdivision_type2 = States

| subdivision_name2 = Hamburg

| length = {{convert|2.4|km|abbr=on}}

| source1_elevation =

| mouth_elevation =

| discharge1_avg =

| basin_size =

| river_system = Elbe

| tributaries_left =

| tributaries_right =

}}

The Rethe is a waterway in the Port of Hamburg, Germany.

It is located in Wilhelmsburg between the islands Hohe Schaar and Neuhof. It connects the Reiherstieg basin with the Köhlbrand.

It is bridged by the Rethe Lift Bridge.