Umbo may refer to:


Flora and faunaEdit

  • Umbo (bivalve), part of a bivalve shell which was formed when the animal was a juvenile
  • Umbo (conifer cone), the first year's growth of a seed scale on a conifer cone, showing up as a protuberance at the end of the two-year-old scale
  • Umbo (mycology), at the top of some mushrooms


  • Otto Umbehr (1902–1980), a German photographer known as "Umbo"
  • A shield boss, a round, convex, or conical piece of material at the center of a shield