Alaigne (French pronunciation: [alɛɲ] ; Occitan: Alanha) is a commune in the Aude department in the Occitanie region of southern France.

The commune is located some 10 km north-west of Limoux and 20 km east of Mirepoix. A number of district roads all converge on the village of Alaigne: the D102 south from Belvèze-du-Razès, the D702 west from Routier, the D102 north-west from Limoux, and the D52 which comes east from Bellegarde-du-Razès then continues south to Villelongue-d'Aude.

The village itself is a traditional Circulade located in the historical region of Razès.

Located in the AOP Malepere wine growing area, the commune is mostly vineyards and farmland for wheat, rape and sunflowers with a few scattered forests. There are no villages or hamlets other than Alaigne.

This is the arms of the last Archbishop of Narbonne, Arthur Richard Dillon. The communes of Bize-Minervois, Gruissan, Pieusse, and Routier which were also strongholds of the Archbishop of Narbonne have the same arms. Blazon: Argent, a lion passant of gules between three crescents 2 and 1 the same.

Before the Revolution, Alaigne was a part of Pieusse and Routier was a barony of the Archbishop of Narbonne.

This list is incomplete; you can help by adding missing items. (April 2021)

List of Successive Mayors of Alaigne

From	To	Name	Party	Position
1906	1912	Urbain Frontil		General Councillor
2001	2026	Jean Périllou

The inhabitants of the commune are known as Alaignois or Alaignoises in French.

Historical population

Year	Pop.	±% p.a.
1968	385	—
1975	366	−0.72%
1982	330	−1.47%
1990	290	−1.60%
1999	300	+0.38%
2007	337	+1.46%
2012	343	+0.35%
2017	326	−1.01%
Source: INSEE

• The Porte de Papi Fortified door (15th century) is registered as an historical monument.

• The Cemetery contains a number of items that are registered as historical objects:
  • A Funeral Stèle (1668)
  • A Funeral Stèle (16th century)
  • A Funeral Stèle (17th century)
  • 2 Funeral Stèles (16th century)
• The Parish Church of Saint-Pierre es Liens contains a number of items that are registered as historical objects:
  • A Chalice with Paten (18th century)
  • A Chalice with Paten (1798 & 1809)
  • 2 Stoups (18th century)
  • The facing of the Altar and the communion table (18th century)
  • A Reliquary Cross of Saint Julie (17th century)

• Communes of the Aude department

• Alaigne on the National Geographic Institute website
• Alaigne on Géoportail, National Geographic Institute (IGN) website (in French)
• Alaigne on the 1750 Cassini Map