RE1 (disambiguation)
Resident Evil is a 1996 video game and the first game in the Resident Evil series.
RE1 or RE 1 may also refer to:
- Resident Evil (2002 video game), a remake of the above game
 - Resident Evil (film), the first film based on the video game series
 - the NRW-Express (RE 1), a rail service in Germany
 - RE1 experiment, a CERN experiment
 - RE1, a chassis code for Honda CR-V (third generation)
 - RE1-silencing transcription factor, a protein
 - Julesburg No. Re1 School District, a school district in Colorado
 - (6896) 1987 RE1, a minor planet