Aru

• Alpha Rho Upsilon
• American Railway Union
• Anglia Ruskin University
• Aquarium Rescue Unit
• Araçatuba Airport
• Arbeiter & Rentner Union
• Ardhi University
• Army Rugby Union
• Aru Islands Regency
• Aru Kingdom
• Aru Krishansh Verma
• Aru, Basht
• Aru, Damavand
• Aru, Democratic Republic of Congo
• Aru, Firuzkuh
• Aru, Harju County
• Aru, Jammu and Kashmir
• Aru, Kohgiluyeh and Boyer-Ahmad
• Aru, Saare County
• Arundel railway station
• Automated response unit
• Autonomous Recording Unit
• Fabio Aru
• Ines Aru
• Rugby Australia