Daan may refer to:
People
Daan (given name), Dutch short form for Daniel
Saumya Daan (born 1982), Indian voice actor
Serge Daan (1940–2018), Dutch zoologist
DAAN, a Belgian band led by Daan Stuyven
Da'an, a character in the television series Earth: Final Conflict
Places
Mainland China
Da'an, Hengyang (), a township in Hengyang County, Hunan
Da'an, Longshan (), a township in Longshan County, Hunan
Da'an, Jilin (), county-level city under the administration of Baicheng
Da'an District, Zigong (), Sichuan
Taiwan
Daan District, Taipei City (), district of Taipei
Daan metro station () of the Taipei Metro
Da'an River (), river in north-western Taiwan
Daan District, Taichung (), coastal district in Taichung City
Elsewhere
Da'an, Yemen, village in western central Yemen
Daan Suyan, town on southern Mindanao, Philippines
Chinese history
Da'an (大安, 1075–1085), era name used by Emperor Huizong of Western Xia
Da'an (大安, 1085–1094), era name used by Emperor Daozong of Liao
Da'an (大安, 1209–1211), era name used by Wanyan Yongji, emperor of Jin dynasty
Other
Daan (crater), crater on Mars named after the Chinese city
Daan Utsav, Indian festival
Dāna, the practice of generosity or giving in Dharmic religions
Dayan (disambiguation), a phonetically similar term
Dana (disambiguation)