CYRS may refer to:

• Early Cyrillic alphabet (ISO 15924 script code Cyrs)
• Red Sucker Lake Airport, Manitoba, Canada (IATA code CYRS)

• History of Arkansas City, Kansas
• History of Arkhangelsk
• History of Arles
• History of Arlington County, Virginia
• History of Arlington, Iowa
• History of Arlington, Kansas
• History of Arlington, Minnesota
• History of Arlington, Oregon
• History of Arlington, South Dakota
• History of Arlington, Texas
• History of Arlington, Washington
• History of Arma, Kansas
• History of Armale
• History of Armavir, Russia
• History of Armenia, Colombia
• History of Armenian American
• History of Armidale, New South Wales
• History of Armour, South Dakota
• History of Armstrong County, Pennsylvania
• History of Armstrong, Iowa
• History of Armstrong, Missouri
• History of Armstrong, Santa Fe
• History of Armyansk
• History of Arnegard, North Dakota
• History of Arnhem