Bagneux-la-Fosse (French pronunciation: [baɲø la fos]) is a commune in the Aube department in the Grand Est region of north-central France.

Bagneux-la-Fosse is located some 40 km east of Saint-Florentin and 15 km south-west of Bar-sur-Seine. Access to the commune is by the D32 road from Avirey-Lingey in the north which passes through the village before continuing south to join the D452 which continues to Channes. The D17 goes west from the village the north-west to Pargues. The D26 branches off the D32 north-east of the village and goes north-east to Neuville-sur-Seine. There is a large forest in the north-west of the commune and a smaller forest in the south-east with the rest of the commune farmland.

The Sarce river flows through the commune from south to north just east of the village and continues north to join the Seine at Virey-sous-Bar.

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

List of Successive Mayors

From	To	Name
	1857	Merey
2001	2008	Marie-Paule Dupin
2008	2020	Francis Carre
2020	2026	Éric Glorieux

The inhabitants of the commune are known as Bagnolais or Bagnolaises in French.

Historical population

Year Pop. ±% p.a. 1793 695 —     1800 719 +0.49% 1806 727 +0.18% 1821 798 +0.62% 1831 788 −0.13% 1836 764 −0.62% 1841 756 −0.21% 1846 760 +0.11% 1851 743 −0.45% 1856 685 −1.61% 1861 691 +0.17% 1866 668 −0.67% 1872 673 +0.12% 1876 587 −3.36% 1881 577 −0.34% 1886 579 +0.07% 1891 546 −1.17% 1896 515 −1.16%	Year Pop. ±% p.a. 1901 507 −0.31% 1906 476 −1.25% 1911 470 −0.25% 1921 380 −2.10% 1926 361 −1.02% 1931 325 −2.08% 1936 351 +1.55% 1946 343 −0.23% 1954 313 −1.14% 1962 274 −1.65% 1968 241 −2.12% 1975 283 +2.32% 1982 239 −2.39% 1990 217 −1.20% 1999 199 −0.96% 2007 180 −1.25% 2012 172 −0.91% 2017 168 −0.47%
Source: EHESS and INSEE

The Church (15th century) is registered as an historical monument. The church contains many items that are registered as historical objects:

• Communes of the Aube department

• Bagneux-la-Fosse on Géoportail, National Geographic Institute (IGN) website (in French)
• Bagneux on the 1750 Cassini Map