Seibu may refer to:
*
Seibu Holdings or a subsidiary thereof
**
Saitama Seibu Lions
The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, ...
**
Seibu Railway
*
Sogo & Seibu
**
Seibu Department Stores, owned by Sogo & Seibu
*
Seibu Kaihatsu
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