Dayan is a given name. Notable people with the name include:
Dayan Díaz (born 1989), Colombian baseball player Dayan Gonzalez (born 1999), Cuban boxer Dayan Hochman-Vigil (fl. 2019), American attorney and politician Dayan Jayatilleka (born 1956), Sri Lankan academic, diplomat, writer and politician Dayan Khan (1472–1517), khagan of the Northern Yuan dynasty Dayan Khan (Khoshut) (died 1668), ruler of the Khoshut Khanate Dayan Kodua (born 1980), German-Ghanaian actress, author and model Dayan Lake (American football) (born 1997), Liberian American football player Dayan Rajapakse (born 1972), Sri Lankan physician, educator and businessman Dayan Téllez (born 2002), Mexican football goalkeeper Dayán Viciedo (born 1989), Cuban baseball player Dayan van der Westhuizen (born 1994), South African rugby player Dayan Witharana (born 1962), Sri Lankan singer and photographer
See also Dayan (surname) Dayana, a given name Diane (given name)