Dulkan refers to several distinct geographical locations:
- Dulkan (Afghanistan): A village situated in the Pashtun Zarghun District of Herat Province, Afghanistan. It is located in the western region of the country.
- Dulkan (Iran): A village located in Kerman Province, Iran. It is part of the Central District of Kerman County.
- Dulkan (River, Russia): A river in the Far Eastern Federal District of Russia, specifically within Khabarovsk Krai. It serves as a left tributary of the Tunguska River, which subsequently flows into the Amur River basin.