In Greek mythology, Iambe was a woman who made Demeter smile or laugh when Demeter was mourning the loss of her daughter, Persephone. She was a daughter of Echo and Pan. She became the first priestess of Demeter.

Iambe made Demeter laugh by creating an elaborate ritualized exhibition of herself. Iambe exposed herself completely and Demeter could not help but be amused by her brazen display. This act of humour and courage lifted Demeter from her grief and the earth became fertile once more.