BYD, byd, or Byd may refer to:
Companies BYD Company, an automobile and rechargeable battery producer in China BYD Auto, a subsidiary automobile manufacturer in China Boyd Gaming, a gaming and hospitality company (NYSE ticker symbol: BYD)
Other uses Barley yellow dwarf, a plant disease caused by the barley yellow dwarf virus Barry Docks railway station (National Rail station code), Wales Beijing Youth Daily, a daily newspaper published in Beijing, China Y Byd, a Welsh-language newspaper Bury Your Dead, American rock band
See also Byrd (disambiguation) Boyd (disambiguation) Beyond (disambiguation)