Kappa Daimyojin is a localized deity enshrined at certain shrines in Japan, associated with the kappa, a river-dwelling spirit figure from Japanese folklore traditionally linked to water, rivers, and local community life. In some traditions this figure has come to be venerated in connection with business fortunes and prosperity, reflecting a broader Japanese practice of petitioning local or folk deities for worldly success. Devotion to Kappa Daimyojin tends to be regionally specific, rooted in local shrine customs rather than a nationally codified doctrine.