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), 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