PDX
# PDX

PDX may refer to:

## Places

* Portland, Oregon, US
   * Portland International Airport (IATA code)
   * Portland Union Station (railway code)

## Brands and enterprises

* PDX, a line of musical instruments and equipment by Vestax
* Paradox Interactive, a Swedish video game publisher
   * Paradox Development Studio, the in-house game development team of the above

## Computing and technology

* Paradox (warez), a warez–demogroup; an anonymous group of software engineers that devise ways to defeat software and video game licensing protections, a process known as cracking

## Science and healthcare

* Pancreatic and duodenal homeobox protein, a transcription factor
* Patient-derived xenograft, human tumor grown in mice
* PDX, principal diagnosis (see Medical diagnosis#Concepts related to diagnosis), the main cause of a patient's need for treatment

## Other uses

* PDX.edu, domain name of Portland State University, Oregon
* Performance Driving eXperience, an event sanctioned by the Sports Car Club of America
