Brignogan-Plages (or simply Brignogan) (French pronunciation: [bʁiɲogɑ̃ plaʒ]; Breton: Brignogan) is a former commune in the Finistère department of Brittany in north-western France.

Submarine telegraph cables between Cornwall and France came ashore at Brignogan.

The average annual rainfall is 908.0 mm (35.75 in) with December as the wettest month.

The temperatures are highest on average in August, at around 14.1 °C (57.4 °F), and lowest in February, at around 7.9 °C (46.2 °F).

Inhabitants of Brignogan-Plages are called Brignoganais in French.