Landivisiau (French pronunciation: [lɑ̃divizjo]; Breton: Landivizio) is a commune in the Finistère department of Brittany in north-western France.

The journalist Luc Le Vaillant, winner of the 1998 Albert Londres Prize was born in Landivisiau.

A squadron of 25× Air-Sol Moyenne Portée nuclear armed Rafale M from the French Navy is based at Landivisiau.

[4] It is twinned with Bideford in the southwest of the United Kingdom and Bad Sooden-Allendorf in Hesse, Germany.

In 2008, 7.11% of primary-school children attended bilingual schools, where Breton language is taught alongside French.