Saint-Faust (French pronunciation: [sɛ̃ fost]; Occitan: Sent Haust) is a commune in the Pyrénées-Atlantiques department in south-western France.

French historian Paul Raymond wrote that in 1385, Saint-Faust and its annex Laroin had 89 fires and depended on the bailiwick of Pau.

Monhauba is an old hamlet of Saint-Faust, destroyed in 1778 when the Gave de Pau river flooded.

The town is part of the Appellation d'origine contrôlée (AOC) areas of Jurançon and Béarn for wine and that of Ossau-Iraty for cheese.

Historical population

Year Pop. ±% p.a. 1793 764 —     1800 753 −0.21% 1806 793 +0.87% 1821 803 +0.08% 1831 915 +1.31% 1836 874 −0.91% 1841 855 −0.44% 1846 815 −0.95% 1851 820 +0.12% 1856 792 −0.69% 1861 745 −1.22% 1866 690 −1.52% 1872 701 +0.26% 1876 740 +1.36% 1881 758 +0.48% 1886 763 +0.13% 1891 740 −0.61% 1896 716 −0.66%	Year Pop. ±% p.a. 1901 701 −0.42% 1906 677 −0.69% 1911 683 +0.18% 1921 568 −1.83% 1926 532 −1.30% 1931 481 −2.00% 1936 471 −0.42% 1946 432 −0.86% 1954 424 −0.23% 1962 458 +0.97% 1968 413 −1.71% 1975 437 +0.81% 1982 554 +3.45% 1990 658 +2.17% 1999 730 +1.16% 2007 754 +0.41% 2012 765 +0.29% 2017 746 −0.50%
Source: EHESS and INSEE

• Communes of the Pyrénées-Atlantiques department