Tardoire

{{Infobox river

| name = Tardoire

| image = Rancogne13.JPG

| image_caption = The Tardoire at Rancogne

| pushpin_map = France#France Nouvelle-Aquitaine

| source1_location = Haute-Vienne

| mouth_location = Bonnieure

| mouth_coordinates = {{coord|45|51|45|N|0|14|31|E|format=dms|display=inline,title}}

| progression = {{RBonnieure}}

| subdivision_type1 = Country

| subdivision_name1 = France

| length = {{convert|114|km|abbr=on}}

| source1_elevation =

| discharge1_avg =

| basin_size =

| tributaries_left = Bandiat

}}

The Tardoire ({{IPA|fr|taʁdwaʁ}}) is a river in southwestern France, left tributary to the river Bonnieure. It is {{convert|114|km|mi|abbr=on}} long.{{sandre|id=R1--0400|nom=La Tardoire}} Its source is in Châlus, in the Haute-Vienne département. It flows into the Bonnieure near Saint-Ciers-sur-Bonnieure. Over much of its length, the Tardoire flows underground. Its largest tributary is the Bandiat.

It flows through the following départements and towns:

• Haute-Vienne: Châlus, Cussac
• Charente: Montbron, La Rochefoucauld, Rivières (a small municipality next to La Rochefoucauld)