Raster may refer to:
Raster graphics, graphical techniques using arrays of pixel values Raster graphics editor, a computer program Raster scan, the pattern of image readout, transmission, storage, and reconstruction in television and computer images Rasterisation, or rasterization, conversion of a vector image to a raster image Raster image processor, or RIP, a component of a printing system that performs rasterisation Raster interrupt, a computer interrupt signal Raster to vector, an image conversion process Raster bar, an effect used in computer demos Raster-Noton, a record label Rastrum, a device used in medieval music manuscripts to draw staff lines Raster Document Object, a file format
People Hermann Raster (1827–1891), German Forty-Eighter
See also Rasta (disambiguation)