Lanmeur (French pronunciation: [lɑ̃mœʁ]; Breton: Lanneur) is a commune in the Finistère department of Brittany in north-western France.

[6] The Battle of Morlaix, part of the Hundred Years' War, was fought near the town on 30 September 1342 between the English under William de Bohun, Earl of Northampton and the French under Charles, Duke of Brittany.

The average annual rainfall is 984.9 mm (38.78 in) with December as the wettest month.

The temperatures are highest on average in August, at around 17.0 °C (62.6 °F), and lowest in January, at around 6.7 °C (44.1 °F).

In 2008, 15.26% of primary-school children attended bilingual schools, where Breton language is taught alongside French.