Pekan Tutong is a mukim in the Tutong District of Brunei. It is located in the north-west of the Tutong District facing the South China Sea, bordering Mukim Keriam to the north-east, Mukim Kiudang to the south-east, Mukim Tanjong Maya to the south and Mukim Telisai to the south-west. There are a few islands within Mukim Pekan Tutong and one spit, they are; Pulau Selawat and Tanjong Kuala Tutong or Kuala Tutong Spit (in English).
Mukim Pekan Tutong includes these following areas:
Other locations within the mukim include: