Oberösterreich
ObjectLink
OCR (οπτική αναγνώριση χαρακτήρων)
ODBC
Odissia or Odisia
Odontoceti
Odysia
Odysseia
$OEM$
OEM
Office Forms Server
Office of Film and Literature Classification (OFLC)
Office Ready
Office Ready PC
Office Update
OFLC
OGame
OID
OLAP
Oleaceae
OLE DB
OLE (σύνδεση και ενσωμάτωση αντικειμένων)
Olomouc
Olt
OMR
Om Shanti Om
Ondatra
oneirologia
oneirologos
One Piece
One Piece: The Movie
OneX
onomatothetó
Ons Hémécht
Onur Air
OOBE
Opel
Opel Performance Center
Opel Tigra
OpenBSD
Open Database Connectivity (ODBC)
OpenOffice.org
Open Shortest Path First
open shortest path first
Opera
OPK
Opolskie
Orbit Express Airlines
orchistra
order Isoptera
ελληνικά