Ro
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

Real world
 , the episode from the 5th season of Star Trek: The Next Generation