Mattson Technology Inc is an American technology company which was founded in 1988 by Brad Mattson and is based in Fremont, California. The company is both a manufacturer and supplier in the market of semiconductor equipment globally. Its main products are dry strip system, rapid thermal processing, as well as etching. The company provides products for customers and manufacturers such as foundries, memory and logic devices.

The main offices for Mattson served as the filming location for the Cyberdyne Systems building from Terminator 2: Judgment Day.

In May 2016, Mattson Technology and Beijing ETOWN ("E-Town Dragon") jointly announced that the previously announced acquisition of Mattson by E-Town had been completed. Dr. Allen Lu has served as the company's CEO and President since October 2016.