Sumbal Bia (Punjabi, Urdu: سنبل بیا is a town in Mussiari, situated within the Murree Tehsil of the Rawalpindi District in Punjab (Pakistan).

In the past people cultivated crops on their land, but due to unavailability of resources this occupation is left out.

The common professions and occupations are: There are three primary schools The majority of the inhabitants of Sumbal Bia are the Abbasi.

Other tribes such as the Malik Awan, Qureshi, Mughal and Rajput (Khakha) inhabit the area in smaller proportions.

The area has not been economically prosperous due to lack of infrastructure such as regular water supply, safe roads and higher education establishments.