Brignogan-Plages (or simply Brignogan) (; ) is a former commune in the Finistère department of Brittany in north-western France. On 1 January 2017, it was merged into the new commune Plounéour-Brignogan-Plages.
Brignogan is 32 kilometres from Brest. Submarine telegraph cables between Cornwall and France came ashore at Brignogan.
Brignogan-Plages has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Brignogan-Plages is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in August, at around , and lowest in February, at around . The highest temperature ever recorded in Brignogan-Plages was on 2 August 1990; the coldest temperature ever recorded was on 12 January 1987. <div style="width:82%;">
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Inhabitants of Brignogan-Plages are called Brignoganais in French.