The term Social Security has several uses.
- Canada Pension Plan - Canadian Social Insurance
- Social security - the general concept of providing welfare
- Social Security (United States) - the United States retirement/disability program
- Social Security (Australia) - system of welfare payments in Australia
- Social Security Administration - the agency which administers the U.S. program
- South African Social Security Agency - an Agency of the South African Government
- Social Security number - the identification number widely used in many countries
- Social Security Trust Fund - the financial accounts for the U.S. retirement program
- Social Security - a play by Andrew Bergman
- National Insurance (UK),
- Social Security (Sweden),
