Blur might refer to:

Optics and images

  • Defocus aberration, blurring of an image due to incorrect focus
  • Motion blur, blurring of an image due to movement of the subject or imaging system
  • Bokeh, the aesthetic quality of the out-of-focus parts of an image
  • Box blur, a graphic-art effect
  • Gaussian blur, a graphic-art effect

Arts

Music

Other uses

  • Blurr, a character from the Transformers universes