Ro could refer to:
- Ro Laren, a member of the USS Enterprise-D crew before joining the Maquis.
- Ro Gale, father of Ro Laren.
- Ro Talia, mother of Ro Laren.
- Ro'tin, the birthname of the Son'a known as Ru'afo.
- Ro-Kel, one of a pair of Miradorn twins.
- "Ensign Ro", the episode from the 5th season of Star Trek: The Next Generation.