IT may refer to any of the following:
1. Pronounced as two separate letters (I-T), IT is short for information technology (infotech) and is a term describing a department, group of people, or person responsible for handling the technical support for a company. This department is also sometimes known as MIS.
The term "IT guy" is often used to refer to the person who is responsible for handling computer-related questions and problems at a business. For example, when you have a problem, someone may tell you to call the IT guy for help.
2. IT is short for Iran Time.
3. IT was a codename for the highly speculated device that was later officially known as the Segway HT.