The present invention provides a liquid replenishment container that replenishes a liquid tank including a liquid supply portion protruding in a first direction with a liquid. The container includes: a container main body capable of storing a liquid; a liquid replenishment nozzle including a first side wall and mountable on the liquid supply portion, the first side wall defining an internal space communicating with the container main body; and a valve body provided in the internal space and causing the liquid supply portion to communicate with the internal space when the liquid replenishment nozzle is mounted. The internal space has a first liquid replenishment flow path formed between the valve body and the first side wall and being constant in cross-section in the first direction, and a second liquid replenishment flow path formed inside the first liquid replenishment flow path and being continuous in the first direction.