红腹滨鹬（学名：Calidris canutus）为鹬科滨鹬属的鸟类。该物种的模式产地在瑞典。

• 红腹滨鹬普通亚种（学名：Calidris canutus rogersi）。在中国大陆，分布于辽宁、河北、山东、青海、江苏、福建、广东、海南等地。该物种的模式产地在上海。

The red knot (Calidris canutus) (just knot in Europe) is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the Calidris sandpipers, second only to the great knot. Six subspecies are recognised.