降神会（法语：Séance，英语：seance）是一种和死者沟通的尝试。降神会的主持者是灵媒。通常是灵媒貌似处于精神恍惚状态，并声称死者可以通过她和活人交流。

最近一种众所周知的方式是导灵（"Channeling"），其他的还有用灵应盘（"en:Ouija boards"，一种和中国的碟仙非常相似的交鬼工具）的方法。

"en:Spiritualism"相信可以通过导灵以及降神会中的灵媒分享死者的智能。

在大中华地区，也一直都流传着各种碟仙活动。而西方不少电影亦以主角进行类似活动。

A séance /ˈseɪ.ɑːns/ or seance is an attempt to communicate with spirits. The word "séance" comes from the French word for "seat", "session" or "sitting", from the Old French seoir, "to sit". In French, the word's meaning is quite general: one may, for example, speak of "une séance de cinéma" ("a movie session"). In English, however, the word came to be used specifically for a meeting of people who are gathered to receive messages from ghosts or to listen to a spirit medium discourse with or relay messages from spirits; many people, including skeptics and non-believers, treat it as a form of entertainment. In modern English usage, participants need not be seated while engaged in a séance.