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