BYH may refer to:

• Arkansas International Airport, US, IATA code
• Bhujel language, ISO 639-3 code

• BBC 2W
• BBC3
• BBC 3
• BBC 3 Counties
• BBC 3 Counties Radio
• BBC 3rd Programme
• BBC4
• BBC 4
• BBC 5 Live Sports Extra
• Bbc 6music
• BBC7
• BBC America
• BBC Asian Network
• Bbcb
• BBC Backstage
• Bbc balloon
• BBC BASIC
• BBC Basic
• BBC BASIC programming language
• BBC Birmingham
• BBC Books
• BBC Broadcasting House
• BBC Canada
• BBC Cardiff Singer of the World competition
• BBC children in need