Dighinala (Bengali: দীঘিনালা) is an upazila of Khagrachari District[3] in the Division of Chittagong, Bangladesh.

It is said that in the long past, Tripura Maharaja Govinda Manikya Bahadur Debbarma dug a big pond (meaning Dighi in Bangla) by the side of a canal (meaning Nala in Bangla).

[5] Dighinala Upazila (Khagrachhari district) area 694.11 km2, located in between 23°04' and 23°44' north latitudes and in between 91°56' and 92°11' east longitudes.

Golamoon, Karmi Mura, Lutiban, Kuradia hills are notable.

Chander Gari (local four wheeled jeep) is a popular transport used to ply in the hill area of upazila.