List of railway companies in Japan lists Japanese railway operators.
Those in italics are the third-sector operators; being half-public, half-private.
The Japan Railways Group consists of the seven companies that were formed after the privatization of the Japanese National Railways.
[citation needed] Effective April 1, 2025, this list will further reduce to 3 companies, with the following company mergers: From north to south by prefecture where railway operations are headquartered.
Category-3 railway operators and subsidiary companies are not listed.