The present disambiguation page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved over here. Related titles should be described in Mail train, while unrelated titles should be moved to Mail train (disambiguation).
Many countries have had dedicated railway services for the delivery of postal mail.
- In Australia, the Travelling post office, Queensland
- In Austria, the Bahnpost (Austria) (1850–2004)
- In France, the SNCF TGV La Poste (1984–2015) were rail cars built specifically for La Poste, which had run rail services since 1846
- In Germany, as well as the Bahnpost (Germany) (from 1840s), several cities have their own mail trains, including:
- In Switzerland, the Bahnpost (Switzerland) has run since 1847
- In the United Kingdom, the Travelling Post Office (1830–2004) was a service where post was sorted en route
- The London Post Office Railway (1927–2003) operated in dedicated tunnels under London
- In the United States, the Railway Mail Service (1862–1978) of the United States Postal Service carried the vast majority of mail from the 1890s until the 1960s