Vaires-sur-Marne (French pronunciation: [vɛːʁ syʁ maʁn] ⓘ; lit.

''Vaires-on-Marne') is a commune in the Seine-et-Marne department in the Île-de-France region, Northern France.

Vaires-sur-Marne is at the western end of the LGV Est high-speed railway, reaching Vendenheim (near Strasbourg) in the east.

It was spectacularly blown up in John Frankenheimer's 1964 film The Train.

[3] Inhabitants of Vaires-sur-Marne are called Vairois (masculine) and Vairoises (feminine) in French.