Rex
- .rex (disambiguation)
- Access control
- Animal Mechanicals
- Anthony Cornero
- BMW i3 REx
- Babe (film)
- Calgary Dinos
- Captain Rex
- Charmed
- Devon Rex
- Dinosaur King
- Empire Records
- Excelsior College
- General Lucio Blanco International Airport
- Generator Rex
- Kawanishi N1K
- King of Rome
- Lego City Undercover
- List of commonly used taxonomic affixes
- MP412 REX
- Metal Gear REX
- Metamorpho
- Mount Rex
- My Pet Monster
- NWA All-Star Wrestling
- Napoleon Dynamite
- New Orleans Mardi Gras
- Oligosaccharide reducing-end xylanase
- Port Rex Technical High School
- REX (New Horizons)
- REX 5000
- REX 6000
- REX OS
- REX prefix
- REX2
- Regional-Express
- Rex (Live at the Fillmore)
- Rex (Ronald Reagan's dog)
- Rex (Slovak TV series)
- Rex (Toy Story)
- Rex (artist)
- Rex (automobile)
- Rex (band)
- Rex (chair)
- Rex (film)
- Rex (given name)
- Rex (horse)
- Rex (krewe)
- Rex (musical)
- Rex (police dog)
- Rex (search and rescue dog)
- Rex (singer)
- Rex (software)
- Rex (surname)
- Rex (title)
- Rex (video game)
- Rex 84
- Rex Airlines
- Rex Architecture P.C.
- Rex Balsom
- Rex Banner
- Rex Book Store
- Rex Brady
- Rex Britten
- Rex Center
- Rex Cinema (disambiguation)
- Rex Energy
- Rex International Holding Limited
- Rex Lewis
- Rex Morgan, M.D.
- Rex Motion Picture Company
- Rex Orange County
- Rex Records (disambiguation)
- Rex River
- Rex Theatre (disambiguation)
- Rex Van de Kamp
- Rex mutation
- Rex rabbit
- Rex the Runt
- Rex the Wonder Dog
- Rex, Georgia
- Rex, North Carolina
- Rex-Acme
- Rex-Simplex
- Rexist Party
- Rexx
- Rockies Express Pipeline
- SS Rex
- Samsung REX
- Scott the Woz
- Subaru Impreza WRX
- Subaru Rex
- T. rex (disambiguation)
- Ted (film)
- Tyrannosaurus rex
- UNC Rex Healthcare
- Victorious
- We're Back! A Dinosaur's Story (film)
- Xenoblade Chronicles 2
- Yu-Gi-Oh! Duel Monsters