Andoins is a commune in the Pyrénées-Atlantiques department in the Nouvelle-Aquitaine region of southwestern France.

The commune is part of the urban area of Pau and is located 5 km east of Pau (five miles), the commune is part of the Vic-Bilh region of Gascony.

The commune is traversed by the A64 autoroute however there is no exit in the commune. The nearest exit is Exit 11 just south-east of the commune. Access to the village is by the D39 road from Morlaàs in the north-west which continues south-east to Limendous. There is also the D538 which goes north-west from the village to Serres-Morlaàs. There is also the D215 which goes south-west from the village to Artigueloutan.

Located in the drainage basin of the Adour, the commune is traversed from south-east to north-west by the Luy de France which forms part of the northern border before continuing to join the Lucet east of Morlaàs.

The Ayguelengue forms the southern border of the commune before joining the Oussere and continuing west.

The commune name in béarnais is Andonsh. (according to the classical norm of Occitan).

Brigitte Jobbé-Duval indicates that the village's name probably comes from the family name Antonius, modified in basque to Anton plus the suffix -tz inducing the property of or the domain of Anton.

The following table details the origins of the commune name and other names in the commune.