| Louargat | |
| Native Name: | Louergad |
| Commune Status: | Commune |
| Coordinates: | 48.5664°N -3.3372°W |
| Insee: | 22135 |
| Postal Code: | 22540 |
| Arrondissement: | Guingamp |
| Canton: | Callac |
| Mayor: | Hervé L'Heveder[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Guingamp-Paimpol Agglomération |
| Elevation Min M: | 100 |
| Elevation Max M: | 301 |
| Area Km2: | 57.23 |
Louargat (in French pronounced as /lwaʁɡat/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Louargat has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Louargat 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 January, at around . The highest temperature ever recorded in Louargat was on 9 August 2003; the coldest temperature ever recorded was on 2 January 1997.
Inhabitants of Louargat are called Louargatais in French.
The municipality launched a linguistic plan through Ya d'ar brezhoneg on 14 June 2007.In 2008, 16.06% of primary school children attended bilingual schools.[2]