Pannychis

Pannychis (, grc), from Greek words πᾶν ('all, every') and νύξ ('night'), may refer to:

• An all-night feast or ceremony of the ancient Eleusinian Mysteries
• Pannychis, a courtesan given by the Jewish king Herod the Great to the king of Cappodocia as thanks for reconciling a Herod family dispute
• Vigil, a period of purposeful sleeplessness, an occasion for devotional watching, or an observance
• Panichida (панихида), the name for Memorial service (Orthodox) in Slavic languages
• Pannychis (beetle), a longhorn beetle genus in the tribe Saperdini