Rex is a male given name that is derived from the Latin word "rex," meaning "king"). It is a regal name that is more likely to bring to mind images of dinosaurs than the monarchy. Traditionally, Rex was short for Reginald, but any R name would work. Some suggestions for full names that Rex can be short for include:
- Reginald
- Rexford
- Redford
- Reagan
- Reddick
- Rupert
- Frederick
- Roderick
- Alexander
- Remington
- Richard
However, it is worth noting that Rex can also be used as a standalone name.
