Cyr

Cyr may refer to:


 * Cyr (album) by The Smashing Pumpkins
 * Cyr, Montana, United States
 * Cyr Plantation, Maine, United States
 * Cyr wheel, an acrobatic device
 * Colonia Airport (IATA: CYR), Colonia Department, Uruguay

People with the surname

 * Anne Marie Cyr (born 1963), Canadian singer
 * Conrad K. Cyr (1931–2016), American senior judge
 * Denis Cyr (born 1961), Canadian ice hockey player
 * Éric Cyr (born 1979), Canadian baseball player
 * Frank W. Cyr (1900–1995), American educator and author
 * Jean-Paul Cyr (born 1965), American racing driver
 * Josh Cyr, American musician and founder of band The World Is a Beautiful Place & I Am No Longer Afraid to Die
 * Lili St. Cyr (1918–1999), American striptease artist
 * Louis Cyr (1863–1912), Canadian strongman
 * Myriam Cyr (born 1960), Canadian actress and author
 * Paul Cyr (1963–2012), Canadian ice hockey player
 * Tyler Cyr (born 1993), American baseball player
 * Vincent Cyr, American media personality and member of gaming organization One True King