过程序进程设计（英语：Procedural programming），又称进程式编程、过程序编程、进程化编程、过程化编程，一种编程典范，有时会被视为是指令式编程的同义语。衍生自结构化编程（Structured programming），主要采取进程调用（procedure call）或函式调用（function call）的方式来进行流程控制。流程则由包涵一系列运算步骤的进程（Procedures），常式（routines），子进程（subroutines）, 方法（methods），或函式（functions）来控制。在程序运行的任何一个时间点，都可以调用某个特定的进程。任何一个特定的进程，也能被任意一个进程或是它自己本身调用。

Procedural programming is a programming paradigm, derived from structured programming, based upon the concept of the procedure call. Procedures, also known as routines, subroutines, or functions (not to be confused with mathematical functions, but similar to those used in functional programming), simply contain a series of computational steps to be carried out. Any given procedure might be called at any point during a program's execution, including by other procedures or itself. Procedural programming languages include C, Go, Fortran, Pascal, and BASIC.