A stub is something which is short, underdeveloped, or partially cut off.

Within Wikipedia, a stub is an underdeveloped Wikipedia article. Visitors are encouraged to expand it.

"Stub" may also refer to:

• In computer programming, a method stub.
• In transport, a short railway or bus line.
• A kind of computer network called a stub network.
• In financial derivative products , a stub is an unequal first or last interest calculation period in a series of interest payments, usually as a part of a swap contract.