Dayan (given name)
Dayan is a given name. Notable people with the name include:
- Dayan Díaz, Colombian baseball player
- Dayan Gonzalez, Cuban boxer
- Dayan Hochman-Vigil, American attorney and politician
- Dayan Jayatilleka, Sri Lankan academic, diplomat, writer and politician
- Dayan Khan, khagan of the Northern Yuan dynasty
- Dayan Khan (Khoshut), ruler of the Khoshut Khanate
- Dayan Kodua, German-Ghanaian actress, author and model
- Dayan Lake (American football), Liberian American football player
- Dayan Rajapakse, Sri Lankan physician, educator and businessman
- Dayan Téllez, Mexican football goalkeeper
- Dayán Viciedo, Cuban baseball player
- Dayan van der Westhuizen, South African rugby player
- Dayan Witharana, Sri Lankan singer and photographer