Njinjo is an administrative ward in Kilwa District of Lindi Region in Tanzania.

The ward covers an area of 414 km2 (160 sq mi),[1] and has an average elevation of 149 m (489 ft).

[2] According to the 2012 census, the ward has a total population of 8,094.

[3] The ward seat is Njinjo village.

[4] This Lindi Region location article is a stub.