Tamil Nadu State Highway 161 (SH-161) is a State Highway maintained by the Highways Department of Government of Tamil Nadu.

It connects Namakkal with Kannanur in Tamil Nadu.

The total length of the SH-161 is 45.42 kilometres (28.22 mi).

The route is from Namakkal – Kannanur, via Erumaipatti, Varagur and Thathaiyangarpet.

This Indian road or road transport-related article is a stub.