Found 79 symbols starting with O:

O
Semaphore character meaning O
O (Oscar)
"Man overboard." (often attached to the man overboard pole on boats). With a sinister hoist, the semaphore flag.
Oak
In many parts of ancient Europe, the oak tree was a revered symbol and associated with numerous deities. Besides the tree itself, individual components such as acorns and leaves hold their own unique…
Oakland Athletics Logo
From 1994 until 2013, the A's wore green alternates jerseys with the word "Athletics" in gold. It was used on both road and home games. During the 2000s, the Athletics introduced black as one of thei…
Oakland Raiders Logo
When the team was founded in 1960, a "name the team" contest was held by the Oakland Tribune. The winning name was the Oakland Señors. After a few days of being the butt of local jokes (and accusati…
OAuth logo
The OAuth logo, designed by Chris Messina.
Obelisk
The obelisk is an architectural feature that originated in ancient Egypt. Although simple in design, the crafting and transportation of these monolithic masterpieces was a highly involved process, an…
Obsidian
Obsidian is one of nature’s more curious products. Smooth to the touch, it can hold a razor sharp edge, but cracks and flakes under less pressure than most other stones. Nonetheless, it has a very …
Obsidian Dragon egg
Icon used to indicate an Obsidian Dragon egg in the game DragonVale.
Octagon
In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, "eight angles") is a polygon that has eight sides.
Octagram
In geometry, an octagram is an eight-sided star polygon.
Octave clef
Treble and bass clefs can also be modified by octave numbers.
Odo Nyera Fie Kwan
Love never loses its way home.
Off symbol
IEC 5008, the power off (circle) symbol on a button or toggle, indicates that using the control will disconnect power to the device. It comes from the binary system (0 means off).
Off-Page Connector
A connector is used to represent that the flow is continued elsewhere in the flowchart on a different page. Typically capital letters are used in the circle as labels.
Office of the Joint Chiefs of Staff Identification Badge
The Office of the Joint Chiefs of Staff Identification Badge is a U.S. Military badge presented to the members of the Joint Chiefs of Staff upon appointment to position as either a Service Head, Vice…
Office of the Secretary of Homeland Security Identification Bage
The Office of the Secretary of Homeland Security Identification Badge is a military badge of the United States Coast Guard issued by the Department of Homeland Security to military members assigned t…
Ohene Tuo
The King's Gun
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 ribbon
In honor of the 65th anniversary of the complete liberation of Leningrad from the Nazi block during World War II; color 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.
On Off Symbol
IEC 5010, the power on-off symbol (line within a circle), is used on buttons that switch a device between on and fully off states.
On Symbol
IEC 5007, the power on (line) symbol, appearing on a button or one end of a toggle switch indicates that the control places the equipment into a fully powered state. It comes from the binary system (…
One Ring
The One Ring is a fictional artifact that appears as the central plot element in J. R. R. Tolkien's Middle-earth fantasy novels. It is described in an earlier story, The Hobbit (1937), as a magic rin…
Onion
When it comes to the culinary field, onions have a very mixed reputation; on the one hand they have served as an important foodstuff for thousands of years, and their natural pungency adds distinctiv…
Onsen (hot spring)
Japanese map symbol for Onsen (hot spring)
Onyakopon Aniwa
God's Eye
Onyakopon Ne Yen Ntena
May God be with us.
Onyankopon Adom Nti Biribiara Beye Yie
By God's grace, all will be well.
Ooze Dragon egg
Icon used to indicate an Ooze Dragon egg in the game DragonVale.
Opal
Opal is one of the “oddballs” of the gemstone family. Composed primarily of hardened silica, its water content- around 10% of the total mass of many specimens- is much higher than most crystallin…
Open Interval
A range of values between, but not equal to, the listed values.
Open Share Icon
The Open Share Icon (or Shareaholic icon) is designed to help users easily identify shareable content. The icon aims to convey the act of sharing visually by representing one hand passing an object t…
Open University of Israel
The Open University of Israel (Hebrew: האוניברסיטה הפתוחה‎, HaUniversita HaPtukha) is a distance-education university in Israel. Its administration center is located in the city of…
OpenID logo
The OpenID logo was designed by Randy "ydnar" Reddig, who in 2005 had expressed plans to transfer the rights to an OpenID organization.
Opposition (planets)
180° angle/Six signs apart The glyph of the Conjunction plus a circle on top of its line, implying two objects are in front (opposed) of each other.
Oppossum tracks
Opossum tracks indicate cunning, sharp wit, but more importantly - detachment.
or
The statement "A or B" is true if A or B is true
Orange (fruit)
This brightly colored citrus fruit was first cultivated in eastern Asia, and has since spread to many other parts of the world. While the fruit itself and its peel are used in a variety of culinary t…
orange and black ribbon
Ribbon of Saint George; commemoration of World War II in Post-Soviet countries
Orange ribbon
The orange ribbon represents: * free software awareness/advocacy * leukemia awareness * multiple sclerosis awareness * Self Injury Awareness Day * malnutrition awareness * energy awareness in …
Orchard
Japanese map symbol for orchard
Orchard
Orchard
Ordered Pair
A set of two elements.
Ordo Templi Orientis (O.T.O.)
('Order of the Temple of the East' or 'Order of Oriental Templars')
Oricalchum argentatum
In alchemy, oricalchum argentatum is a name for brass that has been coated in silver.
Orlando City SC Logo
Orlando City SC is an American professional soccer club based in Orlando, Florida that competes as a member of the Eastern Conference in Major League Soccer (MLS). Orlando City SC began play in 2015 …
Orlando Magic Logo
Magic in blue arched beneath Orlando in black above a basketball.
Orthodox cross
The Orthodox, Byzantine or Russian (Orthodox) Cross is a variation of the Christian cross, commonly found in Eastern Orthodox Churches.
Orthodox Union Symbol
The Union of Orthodox Jewish Congregations of America (UOJCA), more popularly known as the Orthodox Union (OU), is one of the oldest Orthodox Jewish organizations in the United States. It is best kno…
Osram Ne Nsoromma
The Moon and the Star
Other Tree plantation
Japanese map symbol for other plantation
Ottawa Senators Logo
The Ottawa Senators (French: Sénateurs d'Ottawa) are a professional ice hockey team based in Ottawa, Ontario, Canada. They are members of the Atlantic Division of the Eastern Conference of the Natio…
Otter (zodiac)
Otter: Jan 20 - Feb 18
Ouroboros
The Ouroboros is a Greek symbol of a snake eating its own tail. This symbol represents infinity.
Owia Kokroko
Greatness of the sun
Owl (zodiac)
Owl: Nov 23 - Dec 21
Owl Symbol
Choctaw Owl Myth: The Choctaw deity ‘Ishkitini’, or the horned owl, was believed to prowl about at night killing men and animals.
Owo Foro Adobe
Snake climbing the raffia tree.
Owuo Atwedee
The ladder of death
Owuo Kum Nyame
Death Killed God
Ox (zodiac)
The Ox ( 牛 ) is one of the 12-year cycle of animals which appear in the Chinese zodiac related to the Chinese calendar. The Year of the Ox is denoted by the earthly branch character 丑. In the Vie…