is a passenger railway station located in the city of Hannà Â, Saitama, Japan, operated by the private railway operator Seibu Railway.
Nishi-Agano Station is served by the Seibu Chichibu Line to and is 3.6 kilometers from the official starting point of the line at .
The station consists of one island platform serving two tracks, connected to the station building by a level crossing.
The station opened on 14 October 1969.
Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Nishi-Agano Station becoming "SI32".
In fiscal 2019, the station was used by an average of 343 passengers daily, making it the 89th of the Seibu network's ninety-two stations
The passenger figures for previous years are as shown below.