IREX

IREX can mean:

• The 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 (IREX) - an international nonprofit organization
• SS Irex - 1890 wreck
• USS Irex - 1944 submarine
• S/Y Irex (1884 First Class cutter)
• Instrument Rating EXamination (for pilots - CASA)