Cacongo is a town located in the Cabinda Province of Angola. It serves as the primary settlement within the Cacongo municipality, which was formerly known as the Lândana municipality. Due to this historical naming, the town is sometimes still referred to by its former name, Lândana.
The town is situated on Lândana Bay, positioned approximately one kilometer south of the mouth of the Chiloango River. As of 2014, the population of Cacongo was recorded at 15,000 residents.