Input (from English input for "input, feed") stands for ...
- for input (computer) , data processed by a computer
- for a command of the BASIC programming language
- for an employee's work or mental energy in professional life
- for factors of production in the economy
- in political science for the political input, see political input and political output
- for input values for a subroutine, see parameters (computer science)
- Output , the opposite of input