滨刀豆（学名：Canavalia rosea）为豆科刀豆属下的一个种。 刀状荚果。花为紫红色，花形为蝶形。叶子互生，复叶。匍匐的茎蔓生于地面。有防风定砂的用途。

Canavalia rosea is a species of flowering plant of the genus Canavalia in the pea family, Fabaceae, that has a pantropical distribution. Common names include beach bean, bay bean, seaside jack-bean, coastal jack-bean, and MacKenzie bean.