Rațiu is a Romanian-language surname that may refer to:

• the Rațiu family
  • Augustin Rațiu (1884–1970)
  • Basiliu Rațiu (1783–1870)
  • Ioan Rațiu (1828–1902)
  • Ion Rațiu (1917–2000), Romanian newspaper editor and politician
  • Mircea-Dimitrie Rațiu (1923–2011)
  • Nicolae Rațiu (1856–1932)
  • Tudor Ratiu (born 1950), Romanian-American mathematician
• Alexander Ratiu (1916–2002), Romanian Greek-Catholic priest
• Andrei Rațiu (born 1998), Romanian footballer

and to:

• Rațiu, a village in Tășnad town, Satu Mare County, Romania

This disambiguation page lists articles associated with the title Rațiu.
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