The Aquidabán River (Spanish: Río Aquidabán) is a river in the Amambay Department, in northeastern Paraguay. It is a tributary of the larger Paraguay River. Its headwaters start in the Amambai Mountains, and the river flows east-to-west to eventually merge into the Paraguay River just north of Concepción.

• List of rivers of Paraguay

• Rand McNally, The New International Atlas, 1993.
• GEOnet Names Server

23°06′39″S 57°37′16″W / 23.1108°S 57.6211°W / -23.1108; -57.6211