Aru or ARU may refer to:

Education

• Alpha Rho Upsilon, a defunct fraternity in the United States
• Anglia Ruskin University, a university in England
• Ardhi University, a Tanzanian public university

Places

• Aru Islands Regency, a group of islands and the regency in the Moluccas
• Aru, Democratic Republic of Congo, a town in Ituri province
• Aru, Harju County, village in Kuusalu Parish, Harju County, Estonia
• Aru, Saare County, village in Saaremaa Parish, Saare County, Estonia
• Aru, Kohgiluyeh and Boyer-Ahmad, village in Gachsaran County, Kohgiluyeh and Boyer-Ahmad Province, Iran
• Aru, Basht, village in Basht County, Kohgiluyeh and Boyer-Ahmad Province, Iran
• Aru, Damavand, village in Damavand County, Tehran Province, Iran
• Aru, Firuzkuh, village in Firuzkuh County, Tehran Province, Iran
• Aru, Jammu and Kashmir, village in India
• Aruba, IOC and UNDP country code ARU

Sports

• Fabio Aru, Italian cyclist
• Army Rugby Union, organizational body for rugby union in the British Army
• Australian Rugby Union, former name of Rugby Australia, governing body for rugby union in Australia

Technology

• Automated response unit, a telecommunications device
• Autonomous Recording Unit, an audio recording device

People

• Ines Aru (born 1939), Estonian actress
• Krista Aru (born 1958), Estonian historian, museologist and politician
• Peep Aru (born 1953), Estonian politician
• Aru Tateno (born 1997), Japanese ice dancer
• Aru Krishansh Verma (born 1986), Indian actor

Other uses

• American Railway Union, an industrial union in the United States
• Aquarium Rescue Unit, an American jazz-rock band
• Araçatuba Airport, IATA airport code
• Arundel railway station, a railway station in England (National Rail code ARU)
• Aru language (disambiguation)
• Aru Kingdom, an early Islamic polity in northeast Sumatra between the 13th and 16th centuries

This disambiguation page lists articles associated with the title Aru.
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