YR or yr may refer to:
Yreka (/waɪˈriːkə/ wy-REE-kə) is the county seat of Siskiyou County, California, United States, located in the Shasta Valley at 2,500 feet (760 m) above sea level and covering about 10.1 sq mi (26 km2) area, of which most is land.
Yrsa, Yrse, Yrs or Urse (6th century) was a tragic heroine of early Scandinavian literature.
YRC Worldwide Inc. is an American holding company of freight shipping brands YRC Freight, YRC Reimer, New Penn, USF Holland and USF Reddaway.
Yrjö Väisälä [ˈyrjø ˈʋæisælæ] (6 September 1891 in Utra, Kontiolahti, Grand Duchy of Finland – 21 July 1971 in Rymättylä, Finland) was a Finnish astronomer and physicist.
Vilborg Yrsa Sigurðardóttir (born in 1963) is an Icelandic writer of both crime novels and children's fiction.
YRF Darca (Youth Renewal Fund Darca), a non-profit organization, is the US partners of Darca schools - a network of 27 high schools and two learning centers in disadvantaged communities in Israel.
The Yrjö Jahnsson Foundation is a charitable foundation whose aims are to promote Finnish research in economics and medicine and to maintain and support educational and research facilities in Finland.
Yrjö Elias Sirola (born Yrjö Elias Sirén, 1876–1936) was a Finnish socialist politician, teacher, and newspaper editor.