Tokorozawa Station (所沢駅, Tokorozawa-eki) is a junction passenger railway station located in the city of Tokorozawa, Saitama, Japan, operated by the private railway operator Seibu Railway.

Tokorozawa Station is served by the Seibu Ikebukuro Line from Ikebukuro in Tokyo to Hannō, and by the Seibu Shinjuku Line from Seibu-Shinjuku to Hon-Kawagoe in Saitama Prefecture. Some Ikebukuro Line services inter-run via the Tokyo Metro Yurakucho Line to Shin-Kiba and the Tokyo Metro Fukutoshin Line to Shibuya and onward via the Tokyu Toyoko Line and Minatomirai Line to Motomachi-Chukagai. On the Seibu Ikebukuro Line, it is located between Akitsu and Nishi-Tokorozawa, and is 24.8 km from the Ikebukuro terminus. On the Seibu Shinjuku Line, it is located between Higashi-Murayama and Kōkū-kōen, and is 28.9 km from the Seibu-Shinjuku terminus.

All train services stop at this station.

The station consists of one side platform and two island platforms serving five tracks.

The station opened on 21 March 1895. The station building was rebuilt in 2012, with the new station building opened on 8 March 2012. The former west entrance closed from this date.

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Tokorozawa Station becoming "SS22" on the Seibu Shinjuku Line and "SI17" on the Seibu Ikebukuro Line.

Through-running on the Seibu Ikebukuro Line to and from Yokohama and Motomachi-Chukagai via the Tokyu Toyoko Line and Minatomirai Line commenced on 16 March 2013.

Automatic platform gates were put into service at Tokorozawa Station from 30 October 2020.