Mahākāla (Sanskrit: Mahākāla, Devanagari: महाकाल) is a deity common to Hinduism, Buddhism and Sikhism. According to Hinduism, Mahākāla is the consort of Hindu Goddess Kali and most prominently appears in Kalikula sect of Shaktism. Mahākāla also appears as a protector deity known as a dharmapala in Vajrayana Buddhism, particularly most Tibetan traditions, in Tangmi (East Asian Esoteric Buddhism) and in Shingon (Japanese Esoteric Buddhism). He is known as Dàhēitiān () in Chinese and Daikokuten () in Japanese. In Sikhism, Mahākāla is referred to as Kal, who is the governor of Maya.
Mahākāla is a Sanskrit bahuvrihi of mahā (महत्; "great") and kāla (काल; "time/death"), which means "beyond time" or death. The literal Tibetan translation is "Nagpo Chenpo" (Tibetan: ནག་པོ་ཆེན་པོ།), although when referring to this deity, Tibetans usually use the word Gönpo (Tibetan: མགོན་པོ།, Wylie: mgon po).