Aulos is a former commune in the Ariège department in the Occitanie region of south-western France. On 1 January 2019, it was merged into the new commune Aulos-Sinsat.

Aulos is located some 12 km south-east of Tarascon-sur-Ariège and 22 km north-west of Ax-les-Thermes. Access to the commune is by Route nationale 20 from Sinsat in the north-west passing through the north of the commune and continuing south-east to Luzenac. Access to the village is by the D522 road which branches off the N20 in the commune and goes south-east through the village continuing to Les Cabannes. A railway line passes through the commune with the nearest station at Les Cabannes. Most of the commune is heavily forested with a strip of farmland along the N20 and the D522.

The river Ariège forms the whole eastern border of the commune with no tributaries passing through the commune.

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

List of Successive Mayors

From	To	Name
2001	2019	Jean-Yves Cencigh

The inhabitants of the commune are known as Aulosois or Aulosoises in French.

Historical population

Year Pop. ±% p.a. 1800 77 —     1806 113 +6.60% 1821 101 −0.75% 1831 100 −0.10% 1836 113 +2.47% 1841 118 +0.87% 1846 122 +0.67% 1851 127 +0.81% 1856 119 −1.29% 1861 110 −1.56% 1866 104 −1.12% 1872 95 −1.50% 1876 92 −0.80% 1881 88 −0.89% 1886 98 +2.18% 1891 111 +2.52% 1896 104 −1.29%	Year Pop. ±% p.a. 1901 105 +0.19% 1906 102 −0.58% 1911 91 −2.26% 1921 89 −0.22% 1926 79 −2.36% 1931 65 −3.83% 1936 76 +3.18% 1946 73 −0.40% 1954 80 +1.15% 1962 71 −1.48% 1968 91 +4.22% 1975 81 −1.65% 1982 60 −4.20% 1990 38 −5.55% 1999 60 +5.21% 2007 56 −0.86% 2012 56 +0.00%
Source: EHESS and INSEE

• Communes of the Ariège department

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