Canada

• Unionville, Ontario
  Unionville, Ontario
  Unionville is a suburban village in Markham, Ontario, Canada. It is located 33 km northeast of downtown Toronto and 4 km east of southern Richmond Hill. Unionville is located between Woodbine Avenue as the western limit, alongside the Rouge River leading to McCowan Road as the eastern...
  
  
  • Unionville GO Station, a station in the GO Transit network located in the community

United States

• Unionville, Connecticut
• Unionville, Georgia
  Unionville, Georgia
  Unionville is a census-designated place in Tift County, Georgia, United States. The population was 2,074 at the 2000 census.-Geography:Unionville is located at ....
  
  
• Unionville, Illinois, the former name of Streator, Illinois
  Streator, Illinois
  Streator is a city in LaSalle and partially in Livingston counties in the U.S. state of Illinois. The city is situated on the Vermilion River approximately southwest of Chicago, Illinois in the prairie and farm land of north-central Illinois. It is the center of the geographic region known as...
  
  
• Unionville, Indiana
  Unionville, Indiana
  Unionville is an unincorporated town in Benton Township, Monroe County, Indiana.The Unionville Post Office is located at 8031 E St. Rd. 45. Across the street is , which was once Unionville High School....
  
  
• Unionville, Iowa
  Unionville, Iowa
  Unionville is a city in Appanoose County, Iowa, United States. The population was 127 at the 2000 census.-Geography:Unionville is located at ....
  
  
• Unionville, Frederick County, Maryland
  Unionville, Frederick County, Maryland
  Unionville is an unincorporated community in Frederick County, Maryland, United States. It is located approximately halfway between Frederick and Westminster, just east of Libertytown off of MD Route 26...
  
  
• Unionville, Michigan
  Unionville, Michigan
  Unionville is a village in Tuscola County in the U.S. state of Michigan. The population was 605 at the 2000 census. The village is located in the northwestern corner of Columbia Township.-Geography:...
  
  
• Unionville, Missouri
  Unionville, Missouri
  Unionville is a city in Putnam County, Missouri, United States. The population was 2,041 at the 2000 census. It is the county seat of Putnam County.-Geography:Unionville is located at ....
  
  
• Unionville, Nevada
  Unionville, Nevada
  Unionville is a small hamlet in Pershing County, Nevada, with the most recent population estimate being approximately 20 people. The town's best years were during the 1870s, when it was an active mining and prospecting town serving the surrounding hilly region. For a brief time, Samuel Langhorne...
  
  
• Unionville, New York (disambiguation) (multiple)
• Unionville, North Carolina
  Unionville, North Carolina
  Unionville is a town in Union County, North Carolina, United States. The population was 4,797 at the 2000 census.-Geography:Unionville is located at ....
  
  
• Unionville, Pennsylvania (disambiguation) (multiple)
• Unionville, Tennessee
  Unionville, Tennessee
  Unionville is an unincorporated community in Bedford County, Tennessee, United States.Unionville is the site of a post office and three Bedford County public schools, the Community Elementary School , the Community Middle School , and Community High School .The community was the birthplace of...
  
  
• Unionville Center, Ohio
  Unionville Center, Ohio
  Unionville Center is a village in Union County, Ohio, in the United States. The population was 299 at the 2000 census.The village is home to the Charles W. Fairbanks Festival that is held each May...
  
  
• The historic settlement of Unionville, Utah - now renamed Hoytsville, Utah
  Hoytsville, Utah
  Hoytsville is a census-designated place located in Summit County, Utah, United States. It is bordered by Coalville to the north, and by Wanship on the south. The population was 607 at the 2010 census. Interstate 80 runs through the area, as well as the Weber River...