Altan may refer to:
- Altan (band), a folk music group from Donegal
- Altan (album), a 1987 album by Mairéad Ní Mhaonaigh and Frankie Kennedy
- Altan Jalab, a village in Afghanistan
- Altan (river), stretch of the lower course of the Kuranakh-Yuryakh river, Yakutia, Russia