KBOS may refer to:

• Logan International Airport (ICAO location indicator: KBOS), serving Boston, Massachusetts, United States.
• KBOS-FM, a radio station licensed to Tulare, California, United States.

• Royalton
• Royal Tonbridge Wells
• Royal Tongan Airlines
• Royalton, IL
• Royalton, Illinois
• Royalton, Minnesota
• Royalton, MN
• Royalton, New York
• Royalton, PA
• Royalton, Pennsylvania
• Royalton Township
• Royalton Township, MI
• Royalton Township, Michigan
• Royalton Township, MN
• Royalton Township, OH
• Royalton Township, Ohio
• Royalton Township, Pine County, Minnesota
• Royalton, Vermont
• Royalton, VT
• Royalton, WI
• Royalton, Wisconsin
• Royal Tournament
• Royal tournament
• Royal Town Planning Institute
• Royal Township, Lincoln County, Minnesota