A centrifugal separation container 2 for a centrifugal separator 1 is provided with: a separation part 40 which includes a distal region 52 provided further towards a distal side than a supply port 50 for a liquid to be processed, relative to a rotational axis X, and a proximal region 53 provided further towards a proximal side than the supply port 50 for the liquid to be processed, said separation part having a discharge port 51 for the liquid to be processed provided in the proximal region 53; and a recovery part 41 which is provided further towards the distal side than the distal region 52, communicates with a distal end 52a of the distal region 52 via a communication path 42, and is filled with a recovery liquid for dispersing a centrifuged dispersoid in the liquid to be processed.