强迫行为（英语：Compulsive behavior），又称强迫性行为、作态行为，一种重复与持续的行为，当事人无法由这种行为中获得益处或满足感，但难以停止去做这种行为的内在冲动。这类行为在一般人的身上普遍可以被观察到，可能是受内心的忧虑与焦虑情绪所引发，通常是轻微的、有限度的重复行为，未至于病态，但也可能发展成为严重的精神疾病，形成强迫症。

Compulsive behavior is defined as performing an act persistently and repetitively without it necessarily leading to an actual reward or pleasure. Compulsive behaviors could be an attempt to make obsessions go away. The act is usually a small, restricted and repetitive behavior, yet not disturbing in a pathological way. Compulsive behaviors are a need to reduce apprehension caused by internal feelings a person wants to abstain or control. A major cause of the compulsive behaviors is said to be obsessive–compulsive disorder (OCD)."The main idea of compulsive behavior is that the likely excessive activity is not connected to the purpose to which it appears directed.". Furthermore, there are many different types of compulsive behaviors including, shopping, hoarding, eating, gambling, trichotillomania and picking skin, checking, counting, washing, sex, and more. Also, there are cultural examples of compulsive behavior.