Étang d'Aureilhan

{{Infobox body of water

| name = Étang d'Aureilhan

| image = Etang d Aureilhan.JPG

| caption =

| image_bathymetry =

| caption_bathymetry =

| location = Landes

| coords = {{coord|44|13|35|N|1|12|30|W|region:FR_type:waterbody|display=inline,title}}

| type =

| inflow =

|pushpin_map=France Landes

| outflow = courant de Mimizan

| catchment =

| basin_countries = France

| length =

| width =

| area = {{convert|3.4|km2|abbr=on}}

| depth =

| max-depth = {{convert|8|m|abbr=on}}

| volume =

| residence_time =

| shore =

| elevation = {{convert|10|m|abbr=on}}

| frozen =

| islands =

| cities =

| reference =

}}

Étang d'Aureilhan or Lac d'Aureilhan is a lake at Aureilhan in the Landes department, France. At an elevation of 10 m, its surface area is 3.4 km².