臭荠（学名：Coronopus didymus），又名臭滨芥，为十字花科臭荠属下的一个种。

• 臭荠 Coronopus didymus. 中国植物物种信息数据库. [2013-01-15]. 

Coronopus didymus, the lesser swine-cress, is a species of Coronopus, which is a genus of plants in the Brassicaceae (mustard family). It is easily recognizable by its spreading stems, pinnate leaves, and biglobose fruits. It flowers between April and October. It has decumbent or ascending and glabrous green stems, up to 30 centimetres (12 in) long, radiating from a central position. The leaves are pinnate and opposite, and can reach a length of 5 cm (2 in).