Beaudéan (French pronunciation: [bodeɑ̃]; Occitan: Beudian) is a commune in the Hautes-Pyrénées department in the Occitanie region of south-western France.

[5][6] The Adour river forms the north-eastern border of the commune as it flows north-west eventually joining the Atlantic Ocean at Boucau.

The Adour de Lesponne flows from the south-west of the commune, forming much of the western border as it flows north-east, gathering tributaries such as the Ruisseau du Brouilh (which forms the southern border of the commune), the Ruisseau de Narbios, the Hourquet, and the Ruisseau de Hount Hérède, to join the Adour at the eastern corner of the commune.

[5][6] Historical names:[7] Beaudéan appears as Beaudean on the 1750 Cassini Map[8] and the same on the 1790 version.

Quarterly, 1 and 3 Or, a fir tree Vert; 2 and 4 Argent, a helm Gules in profile sinister between 2 bears standing and confronting of Sable.