Havok Physics, better known as simply Havok, is a middleware physics engine (in this case Dynamical simulation) -- developed by Irish company Havok.com, Inc. -- designed for computer and video games by allowing interaction between objects or other characters in real-time. By using physics simulation, Havok allows for more lifelike worlds and animation, such as ragdoll physics. The company has also released a Havok Animation and Havok FX, which uses Shader Model 3.0 on consumer GPUs for effects physics such as smoke.

Havok is a computer software company that provides interactive software and services for digital media creators in the video game and movie industries.