Vahdat is a city in Tajikistan.

Vahdat or Vakhdat may also refer to the following places:
in Iran:
Vahdat, Kermanshah, a village in Iran
Vahdat, Khuzestan, a village in Iran
Vahdat, Kohgiluyeh and Boyer-Ahmad, a village in Iran
Vahdat Rural District (Fardis County), an administrative division of Alborz province, Iran
Vahdat Rural District (Kerman Province), an administrative division of Kerman province, Iran
Vahdat Rural District (Kohgiluyeh and Boyer-Ahmad Province), an administrative division of Kohgiluyeh and Boyer-Ahmad province, Iran
in Tajikistan:
Vahdat District, a district in Tajikistan's Region of Republican Subordination
Vahdat Palace or Palace of Unity, a convention center in Tajikistan's capital Dushanbe
Vahdat, Gorno-Badakhshan (formerly: Midenshor), a village in Shughnon District, Gorno-Badakhshan Autonomous Region
Vahdat, Lakhsh District (formerly: Jirgatol), a town in Lakhsh District
Vahdat, Sughd, an administrative division in Devashtich District, Sughd Region
Vahdat, Shahriston District, a village in Shahriston District, Sughd Region