Silicon Hills is a nickname for the cluster of high-tech companies in the Austin metropolitan area in the U.S. state of Texas.

The name is analogous to Silicon Valley, but refers to the hilly terrain on the west side of Austin.

Technology companies with offices in the area include Advanced Micro Devices, Amazon.com, Apple Inc., ARM Holdings, Cisco, eBay, Meta (Facebook), Alphabet (Google), IBM, Indeed, Intel, NXP Semiconductors, PayPal, Procore, Silicon Labs, Texas Instruments, Oracle Corporation, Visa, VMWare, and many others.

Austin was one of the top areas for venture capital with investors investing $621 million in 2013[4] (43% of that went to software and semiconductor firms).

Additionally, Austin houses several startup accelerators including Sputnik ATX venture-accelerator, Tech Stars, and Mass Challenge TX.