Portnaguran (Scottish Gaelic: Port nan Giùran) is a settlement situated within Point, on the Isle of Lewis, in the Outer Hebrides, Scotland.

Portnaguran is the township at the north-easternmost point of the peninsula.

It lies 1 mile (1.6 km) southwest of Tiumpan Head and just south of the headland called Geòdha 'ic Sheòrais or sometimes Small Head amongst locals.

Portnaguran is situated at the north-eastern end of the A866,[1] within the parish of Stornoway.

[2] There is a small pier in the harbour,[3] and the surrounding villages are Portvoller, Broker, Aird and Flesherin.