---
title: "島根銀行"
aliases: ["Shimane Bank", "The Shimane Bank", "株式会社島根銀行", "しまぎん"]
domain: regional-banks
created: 2026-05-21
last_updated: 2026-07-30
last_tended: 2026-07-30
review_by: 2026-11-21
confidence: likely
tags: [JapanFG, banking, second-regional-bank, chugoku, shimane, operating-company]
status: active
sources:
  - "https://www.fsa.go.jp/menkyo/menkyoj/ginkou.xlsx"
  - "https://www.shimagin.co.jp/company/gaiyo/"
  - "https://www.sbigroup.co.jp/news/2023/1122_14245"
---

# 島根銀行


## Wiki route

This entry sits under [[regional-banks/INDEX|regional-banks INDEX]]. Read it against [[regional-banks/momiji-bank|もみじ銀行]] for peer / contrast context and [[banking/INDEX|banking index]] for the broader system / regulatory boundary.

## TL;DR

株式会社島根銀行は、金融庁の銀行免許一覧に掲載される島根県本店の第二地方銀行。山陰の second-regional-bank operating-company anchor であり、[[regional-banks/san-in-godo-bank]] とは別法人の local peer、[[megabanks/sbi-regional-bank-hd]] とは資本業務提携先として扱う。

## 1. License / group boundary

The following table is scoped to public primary sources (fsa.go.jp, shimagin.co.jp, sbigroup.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ^[source:fsa.go.jp; shimagin.co.jp; sbigroup.co.jp]

| Item | Notes |
|---|---|
| Legal name | 株式会社島根銀行 |
| License route | Banking Act second regional bank; FSA bank license list |
| Group boundary | Standalone bank; SBI capital / business alliance adjacency |
| Home market | Shimane / San-in |
| Wiki role | Shimane second-regional-bank operating-company page |

## 2. Operating model

島根銀行は、島根県を中心に retail deposits, SME finance, local consumer banking, and regional relationship banking を担う second regional bank。[[regional-banks/san-in-godo-bank]] page は山陰 first-regional-bank incumbent を扱い、本ページは second-regional-bank license boundary を扱う。

## 3. Why this page matters

- Closes the FSA exact-name page for 島根銀行.
- Gives the SBI regional-bank alliance map an exact operating-company anchor.
- Provides a peer anchor for [[regional-banks/san-in-godo-bank]], [[regional-banks/tottori-bank]], and Chugoku regional-bank consolidation analysis.

## Related

- [[regional-banks/san-in-godo-bank]]
- [[regional-banks/tottori-bank]]
- [[megabanks/sbi-regional-bank-hd]]
- [[megabanks/sbi-hd]]
- [[banking/regional-bank-consolidation-pattern]]
- [[banking/INDEX]]

## Sources

- FSA: bank license list, second regional banks / other, as of 2026-05-02.
- Shimane Bank official company profile.
- SBI Holdings public release on the Shimane Bank capital / business alliance adjacency.