Notch

Notch may refer to:
 * Notch (engineering), an indentation or slit in a material
 * Nock (arrow), notch in the rearmost end of an arrow
 * Markus Persson (born 1979), a Swedish video game programmer and designer known by his online alias "Notch", best known for creating Minecraft
 * Notch (musician) (born 1973), a hip hop, R&B, reggae, dancehall and reggaeton artist
 * NOTCH (magazine), an Indian entertainment and lifestyle magazine
 * Notch, Missouri, a community in the United States
 * Notch signalling pathway, a cell signalling system present in most multicellular organisms
 * Notch proteins, a family of transmembrane proteins
 * Notch filter, a band-stop filter with a narrow stopband
 * Notch test, also known as Charpy impact test
 * Lion Notch, a male lion featured in the nature documentary series Big Cat Diary
 * Notch display, an electronic screen with a cutout in it
 * A type of col in geomorphology