| Ariyankuppam River | |
| Pushpin Map: | India |
| Pushpin Map Caption: | Location of mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | India |
| Subdivision Type2: | Territory |
| Subdivision Name2: | Puducherry |
| Mouth Location: | Bay of Bengal |
Ariyankuppam River is a distributary of Sankaraparani River. It branches off Sankaraparani[1] near Thirukanchi. Due to property development, its origin was cut off. Thengaithittu Langoon is found in this river. Arikamedu is the major tourist spot in the river. Ariyankuppam River drains into Bay of Bengal at Puducherry Fishing Harbour.[2]