Be more specific, there have been 9 starships designated Enterprise mentioned in Star Trek (not counting several alternate versions in alternate timelines):
- Pre archer enterprise shown on the wall in the motion picture.
- Archer's enterprise which has caused no end of continuity problems.
- Pike/Kirk's enterprise.
- Kirk's second enterprise (A)
- The Enterprise B.
- the Enterprise C.
- Picard's Enterprise (D)
- Picard's second Enterprise (E)
- Pike/Kirk's Enterprise Abramsverse.