Rupt de Mad

{{Short description|River in France}}

{{Infobox river

| name = Rupt de Mad

| image = Rupt de mad Lahayville 2.JPG

| image_caption = The Rupt de Mad at Lahayville

| pushpin_map = France#France Grand Est

| source1_location = Geville

| source1_coordinates= {{coord|48|47|48|N|05|42|33|E}}

| mouth_location = Moselle

| mouth_coordinates = {{coord|49|00|47|N|06|02|38|E|display=inline,title}}

| subdivision_type1 = Country

| subdivision_name1 = France

| length = {{convert|54.6|km|mi|abbr=on}}

| source1_elevation = {{convert|240|m|ft|abbr=on}}

| mouth_elevation = {{convert|170|m|ft|abbr=on}}

| discharge1_avg = {{convert|3.65|m3/s|cuft/s|abbr=on}}

| basin_size = {{convert|385|km2|sqmi|abbr=on}}

| progression = {{RMoselle}}

}}

The Rupt de Mad ({{IPA|fr|ʁypt də mad}}) is a {{convert|54.6|km|mi|adj=on}} long river in the Meuse and Meurthe-et-Moselle départements, northeastern France.{{Sandre|A73-0200|Ruisseau le Rupt de Mad}} Its source is several small streams which rise at Geville, {{convert|17|km|mi|0}} northwest of Toul. It flows generally northeast. It is a left tributary of the Moselle into which it flows at Arnaville, {{convert|15|km|mi|0}} southwest of Metz.