Rad may mean:

  • Rad (comics), a villainous character in AC Comics's "Femforce"
  • Rad (film), a 1986 release about a young BMX rider
  • Rad (Transformers), several fictional characters in the Transformers toy line
  • Rad (unit), a unit of absorbed radiation dose, largely used in the United States
  • Rad (village), in Trebišov District, Slovakia
  • Rad, a character in My-Otome
  • Radian, a unit of angle
  • Radiator
  • American slang for cool
  • Really Awesome Dude in Dude, Where's My Car?
  • Radical, the mathematical operator, is denoted Rad(n)
  • FK Rad, a Serbian football club
  • RaD Man, a computer artist and historian
  • "Rad", a nickname of tanker ace Sydney Valpy Radley-Walters

Read more about RAD:  Three Letter Acronym, Rad.