Seiyu Group
| Company type | Public (Kabushiki gaisha) |
|---|---|
| Industry | Retail |
| Founded | 1946 |
| Headquarters | Kichijoji Honmachi, Musashino City, Tokyo |
Number of locations | 328 (January 31, 2021) |
Key people | Tsuneo Okubo (CEO) |
| Products | Grocery, general merchandise |
| Owner | |
| Parent | Walmart (2008–2020) |
| Website | |
Seiyu KK (株式会社西友, Kabushiki-gaisha Seiyū; lit. 'Friend of Seibu Department Stores' or 'Friend of West'), or Seiyu Group (西友グループ, Seiyū Gurūpu), is a Japanese group of supermarkets, shopping centers and department stores, headquartered in Akabane (赤羽), Kita, Tokyo. On May 8, 2023, the Akabane headquarters office was relocated due to the redevelopment of Seiyu's Akabane store site. The current head office location is Kichijoji Honmachi, Musashino City, Tokyo.
Its company name means "innovation, leadership and excellence".