Unionville, Illinois may refer to:

• Unionville, Massac County, Illinois, an unincorporated community in Massac County
• Unionville, Vermilion County, Illinois, an unincorporated community in Vermilion County
• Unionville, Whiteside County, Illinois, an unincorporated community in Whiteside County
• Streator, Illinois, formerly known as Unionville

Topics referred to by the same term

This disambiguation page lists articles about distinct geographical locations with the same name.
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