Buccinulum is a genus of sea snails, marine gastropod molluscs in the whelk family Tudiclidae.

[3][4][2] Buccinulum are small to medium-sized marine snails.

[5][6] Species vary significantly in shell sculpture and colouration[5] and can be difficult to distinguish from one another.

[7][8] Most species are commonly abundant within the intertidal and shallow subtidal zone of New Zealand beaches.

[5][6] Buccinulum is closely related to the genus Aeneator.