IREX

IREX can mean:


 * International Robot Exhibition, a robot trade fair held every two years in Tokyo, Japan
 * iRex Technologies, the company that produced the iLiad and the iRex Digital Reader 1000 ebook devices
 * International Research & Exchanges Board, an international nonprofit organization
 * SS Irex, an 1890 wreck
 * USS Irex, a 1944 submarine
 * S/Y Irex (1884 First Class cutter)
 * Instrument Rating EXamination (for pilots - CASA)