Sadiq Alakbar oghlu Dadashov (Azerbaijani: Sadıq Ələkbər oğlu Dadaşov, 1905 – 1946) was an architect and architecture historian of the Soviet Azerbaijan, Honored Art Worker of the Azerbaijan SSR (1940), laureate of the Stalin Prize of the 2nd Degree (1941).

Sadiq Dadashov worked in close cooperation with Mikayil Useynov.

He erected many residential and public buildings in Baku and in other cities of Azerbaijan.

•Exhibit hall of Azerbaijan SSR in All-Russia Exhibition Centre, in Moscow (1939).

Research Institute of construction materials in Baku is named after Dadashov.