Portability may refer to:

• Portability (social security), the portability of social security benefits
• Porting, the ability of a computer program to be ported from one system to another in software engineering
  • Software portability, the portability of a piece of software to alternative platforms
• Telephone number portability (disambiguation) keeping one telephone number while switching one's account to another telephony provider
• Portlet, user interface software components that are managed and displayed in a web portal
• Portability of the estate tax exclusion amount regarding Estate tax in the United States

• Portable (disambiguation)