Ra is the Sun-god of Ancient Egypt. Ra or RA may also refer to:

Arts and entertainment

Film and television

* Ra (Stargate), a character from the film ''Stargate'', based on the Egyptian god * ''Ra'' (1972 film), a 1972 documentary film about Thor Heyerdahl's expeditions * ''Ra'' (2014 film), a Tamil fantasy film

Gaming

* '' Rocket Arena'', a ''Quake'' mod * '' Command & Conquer: Red Alert'', a game

Music

* A half-step below Re on the solfège musical scale

Performers

* Ra (American band), an American rock band *

Ra (artist) Raoul Sinier is a Digital painting, digital painter, film maker and electronic musician based in Paris. Discography as Ra *2004: ''Raoul Loves You'' (CD album, Coredump Records) *2007: ''Wxfdswxc2'' (CD album + limited DVD, Sublight Records) *200 ...

, the pseudonym of Raoul Sinier, a French digital painter and electronic musician * R.A. the Rugged Man (born c. 1974), American rapper * Sun Ra (1914–1993), American jazz musician and philosopher *

Rise Against Rise Against is an American punk rock band from Chicago, formed in 1999. The group's current line-up comprises vocalist/rhythm guitarist Tim McIlrath, lead guitarist Zach Blair, bassist Joe Principe and drummer Brandon Barnes. Rooted in hardcor ...

, an American punk/hardcore band

Albums

* ''Ra'' (Utopia album), 1977 * ''Ra'' (Eloy album), 1988

Songs

* "Ra", a song by Northlane from '' Node'', 2015 *

Ra (Inna song) "Ra" (stylized in all caps) is a song recorded by Romanian singer Inna, digitally released on 27 September 2018 as the lead single from her sixth studio album, '' Yo'' (2019), by Global Records. It was entirely written in Spanish by Cristina Mar ...

, 2018

Other media

Ra (board game) ''Ra'' is a board game for two to five players designed by Reiner Knizia and themed around Ra, the sun-god of Heliopolis in ancient Egyptian culture. It is one of three auction games designed by Knizia, the others being ''Medici'' and ''Modern ...

, a board game for two to five players designed by Reiner Knizia and based on ancient Egyptian culture * ''

Resident Advisor ''Resident Advisor'' (also known as ''RA'') is an online music magazine and community platform dedicated to showcasing electronic music, artists and events across the globe. It was established in 2001. ''RA''s editorial team provides news, musi ...

'', an online magazine

Businesses and organizations

Academia

* Resource Academia, an academic institution in Lahore, Pakistan * Roosevelt Academy, a college in the Netherlands *

Royal Academy of Arts The Royal Academy of Arts (RA) is an art institution based in Burlington House on Piccadilly in London. Founded in 1768, it has a unique position as an independent, privately funded institution led by eminent artists and architects. Its purpo ...

, in London, UK ** Royal Academician, one of the 80 practicing artists elected as a member of the Royal Academy * Resident assistant, a student leader

Government, military, and political organizations

* Regular Army, the permanent force of an army that is maintained during peacetime *

Regulatory affairs Regulatory affairs (RA), also called government affairs, is a profession within regulated industries, such as pharmaceuticals, medical devices, cosmetics, agrochemicals (plant protection products and fertilizers), energy, banking, telecom etc. Reg ...

, a department in charge of industry-government relations * Provisional Irish Republican Army, an Irish nationalist terrorist group * Resettlement Administration, a New Deal government program in the United States * Royal Artillery, a regiment of the British Army

Other businesses and organizations

* Ramblers' Association, a UK organisation for walkers * Registration authority, a body which maintains lists of international standards codes * Rowing Australia, governing body for the sport of rowing in Australia *

Road America Road America is a motorsport road course located near Elkhart Lake, Wisconsin, United States on Wisconsin Highway 67. It has hosted races since the 1950s and currently hosts races in the NASCAR Cup and Xfinity Series, WeatherTech SportsCar Champ ...

, which uses the logo "RA"; a racetrack in Wisconsin, USA * Nepal Airlines (IATA code RA)

Linguistics

Ra (Javanese) is one of syllable in Javanese script that represent the sound /ɾɔ/, /ɾa/. It is transliterated to Latin as "ra", and sometimes in Indonesian orthography as "ro". It has another form (''pasangan''), which is , but represented by a single Unico ...

(ꦫ), a letter in the Javanese script *

Ra (kana) Ra (hiragana: ら; katakana: ラ) is one of the Japanese kana, which each represent one mora. Both versions are written with two strokes and have origins in the character 良; both characters represent the sound . The Ainu language uses a small ...

, the Japanese kana ら and ラ * ረ and ራ, Amharic letters that can be read as variations of ''ra'', also related to the Semitic resh * Resh or ''rāʾ'', 10th letter of Arabic alphabet * Ռ or ''ṙa'', the 28th letter in the Armenian alphabet * र, ड़', ढ़, and र्ह, Devanagari letters which can be called ''ra'', ''ṛa'' or ''rha'' * Ԗ, the 23rd letter ''rha'' («ра») in the older (1924−1927) Moksha language Cyrillic script * ர and ற, Tamil letters articulated as ''ra'', ''tra'' or ''dra'' depending on the consonant complex

Places

* Ra (island) (or ''Rah''), a small island of Vanuatu * Ra Province in Fiji **

Ra (Fijian Communal Constituency, Fiji) Ra Fijian Provincial Communal is an electoral division of Fiji, one of 23 communal constituencies reserved for Fijians, indigenous Fijians. (Of the remaining 48 seats, 23 are reserved fis a former electoral division of Fiji, one of 23 communal con ...

Ra (Open Constituency, Fiji) Ra Open is a former electoral division of Fiji, one of 25 open constituencies that were elected by universal suffrage (the remaining 46 seats, called communal constituencies, were allocated by ethnicity). Established by the 1997 Constitution of F ...

* Republic of Armenia * Rawlins County, Kansas, of which the largest city is Atwood

Religion and mythology

* Ra, the Sun-god of Ancient Egypt *

Rå In Scandinavian folklore, a rå (pl ''rår''), is a spirit who is the keeper or warden of a particular location or landform. The rå is known both in Nordic culture and in the Sami culture, where it is called ''radie''. It was important for human ...

, a creature in Scandinavian mythology * Rā, a Māori word for the Sun * Roua or Ra, a Polynesian deity * Tama-nui-te-rā, a Maori Sun-god * ''Radeyallāhu ′Anhu'', an Islamic honorific.

Science and technology

Biology and medicine

* Retinoic acid, a metabolite of vitamin A * Retrograde amnesia, a form of amnesia * Rheumatoid arthritis, a chronic, systemic inflammatory disorder that attacks synovial joints *

Refractory anemia Anemia or anaemia (British English) is a blood disorder in which the blood has a reduced ability to carry oxygen due to a lower than normal number of red blood cells, or a reduction in the amount of hemoglobin. When anemia comes on slowly, th ...

, an expression of myelodysplasia

Computing

* .ra, the file extension for RealAudio files * Registration authority, in public key cryptography * RemoteAccess, a BBS software program * Route Advertisement, in networking, part of the Neighbor Discovery Protocol

Transportation

SJ Ra The SJ Class Ra (or Rapid) is an electric locomotive operated by Swedish State Railways ( sv, Statens Järnvägar, SJ). Ten units were built by ASEA, two in 1955 and eight in 1961. Ra was used on express trains until the 1990s. History During th ...

, a Swedish locomotive * Radar altimeter, an instrument on aircraft * Resolution Advisory, an aircraft instruction from a Traffic Collision Avoidance System

Other uses in science and technology

R_a

, a popular parameter of roughness, defined as the average of absolute values of deviation from the mean of a surface * Color rendering index (

R_a

), a measure of the ability of a light source to reveal the colors of objects faithfully * Radium, symbol Ra, a chemical element * Rain (METAR weather code RA) * Rayleigh number, in physics *

Relation algebra In mathematics and abstract algebra, a relation algebra is a residuated Boolean algebra expanded with an involution called converse, a unary operation. The motivating example of a relation algebra is the algebra 2''X''² of all binary relations ...

, a type of mathematical structure *

Right ascension Right ascension (abbreviated RA; symbol ) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the earth. When paired w ...

, in astronomy * Risk analysis, in several fields * Resource adequacy, in electrical power grids

People with the surname

* Armen Ra, Iranian-born American musician *

Aron Ra Aron Ra (formerly L. Aron Nelson, born October 15, 1962) is an atheist activist. Ra is the host of the ''Ra-Men Podcast'' and a member of the American Atheists board of directors. He had previously served as president of the Atheist Alliance o ...

, American author, podcaster, and atheist activist *

Ed Ra Edward P. Ra (born November 4, 1981) is a member of the New York State Assembly, representing the 19th district, which includes portions of the towns of Hempstead, North Hempstead and Oyster Bay in Nassau County on Long Island. A Republican, ...

(born 1981), American politician

Other uses

* Ra I and Ra II, reed boats used by Thor Heyerdahl's transatlantic expeditions * Registered Architect, as a post-nominal suffix * Remittance advice, a letter sent by a customer to a supplier, to inform the supplier that their invoice has been paid * Resident assistant, in college housing * Republic Act, Philippine laws from 1946 to 1972 and after 1987 * One of several ISO 217 standard paper sizes * "Ra", a disc golf midrange disc by Infinite Discs