 | Ogham Letter U - Úr Úr is the Irish name of the eighteenth letter of the Ogham alphabet, ᚒ |
 | Ogham Letter UI - Uilleann The third Element out of the five aicme forfeda. |
 | Ogham Letter Z -Straif Straif is the Irish name of the fourteenth letter of the Ogham alphabet, ᚎ. |
 | Ohene Tuo The King's Gun |
 | OI TOKEN PROTOTYPE SYMBOL FOR ENCODING This is a sample OI Token used for soundFonts or SoundPalettes for digital media arts books. Binary Scoring font is available for download at tiny.cc/oitokenfont |
 | Oikoumene Symbol of the World Council of Churches. |
 | Oil An old archaic alchemy symbol for oil. |
 | Oil (alternate #1) An alchemical symbol used to designate oil. |
 | Oil (alternate #2) An alchemical symbol used to designate oil. |
 | Oil (alternate #3) An alchemical symbol used to designate oil (especially olive oil in this case). |
 | Oil (alternate #4) An alchemical symbol used to designate oil. |
 | Oil (alternate #5) An symbol used in 17th century alchemy to designate oil. |
 | Oil or gas well Japanese map symbol for oil or gas well |
 | OK Kosher Symbol The kosher symbol of OK (Organized Kashrut) |
 | Ok Sign Ok Sign |
 | Oklahoma City Thunder Long The Oklahoma City Thunder unveiled their first logo on September 3, 2008. According to majority owner Clay Bennett, the team's logo takes several of its elements from other Oklahoma sports teams, suc… |
 | Okodee Mmowere The talons of the eagle. |
 | Okuafo Pa Good Farmer |
 | Oldham Athletic A.F.C. Logo Oldham Athletic Association Football Club (nicknamed The Latics) is a professional association football club based in the town of Oldham, Greater Manchester, England. The team compete in League One, … |
 | Olive Olives have been cultivated by Mediterranean peoples for at least five thousand years, and are still a major staple of cuisines in the region. This article will address not just the olive itself, but… |
 | Olive-green awareness ribbon Issued in honor of the 65th anniversary of the complete liberation of Leningrad from the Nazi block during World War II; colors refer to color blocks Medal for the Defense of Leningrad. |
 | Omega Omega is the 24th and last letter of the Greek alphabet. In the Greek numeric system, it has a value of 800. The word literally means "great O" (ō mega, mega meaning 'great'), as opposed to omicron,… |
 | Omegle logo Omegle is a free online chat website that allows users to communicate with others without the need to register. |
 | Omicron Omicron is the 15th letter of the Greek alphabet. In the system of Greek numerals it has a value of 70. This letter is derived from the Phoenician letter ayin Phoenician ayin.svg. In classical Greek,… |
 | Omphalos An omphalos (ὀμφαλός) is a religious stone artifact, or baetylus. |
