Boring typically means uninteresting or tiresome. It may also refer to:

• Stuart Wareham, a grey haired boring man
• Boring (mechanical), a mechanical engineering term referring to the formation of a cylindrical hole in a solid material
• Boring (calibration), the process of calibrating a gun
• Tunnel boring machine (TBM), a machine used in the boring of tunnels or shafts
• Boring, Oregon
• Edwin G. Boring, one of the first historians of psychology
• David Boring, the title character of Daniel Clowes's graphic novel of the same name
• Boring Business Systems, a Central Florida based office supply company
• Boring, an adjective used to describe a person, place, or act that induces boredom

Machines for boring holes in engineering materials such as metal and concrete are sometimes incorrectly called drills or drilling machines. Boring is different from drilling in that it uses a single cutting point revolving around a fixed axis to create a round hole. Drills use two or more.

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