Stink bug may refer to:

• Any insect in the true bug (hemipteran) family Pentatomidae, generally called shield bugs or stink bugs
• Any of several common insects in the true bug (hemipteran) family Pentatomidae, including:
  • Halyomorpha halys, or brown marmorated stink bug
  • Chinavia hilaris, or green stink bug
• Boisea trivittata, or boxelder bug in the true bug (hemipteran) family Rhopalidae
• Any insect in the true bug (hemipteran) family Scutelleridae, generally called jewel stinkbugs
• Eleodes, or stink beetles, a genus in the darkling beetle family (Tenebrionidae)
• An unofficial name for the Lockheed F-117 Nighthawk