AR, Ar, or A&R may refer to:
An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.
Argentina ( ( listen); Spanish: [aɾxenˈtina]), officially the Argentine Republic (Spanish: República Argentina), is a federal republic located mostly in the southern half of South America.
Arnold Alois Schwarzenegger (; German: [ˈaɐ̯nɔlt ˈʃvaɐ̯tsn̩ˌʔɛɡɐ]; born July 30, 1947) is an Austrian-American actor, producer, businessman, investor, author, philanthropist, activist, politician, and former professional bodybuilder.
Arabic (Arabic: العَرَبِيَّة) al-ʻarabiyyah [ʔalʕaraˈbijːah] ( listen) or (Arabic: عَرَبِيّ) ʻarabī [ˈʕarabiː] ( listen) or [ʕaraˈbij]) is a Central Semitic language that first emerged in Iron Age northwestern Arabia and is now the lingua franca of the Arab world.
Artificial intelligence (AI, also machine intelligence, MI) is intelligence demonstrated by machines, in contrast to the natural intelligence (NI) displayed by humans and other animals.
Arizona ( ( listen); Navajo: Hoozdo Hahoodzo [xòːztò xɑ̀xòːtsò]; O'odham: Alĭ ṣonak [ˡaɺi ˡʂonak]) is a U.S.
The Arab Spring (Arabic: الربيع العربي ar-Rabīʻ al-ʻArabī), also referred to as Arab revolutions (Arabic: الثورات العربية aṯ-'awrāt al-ʻarabiyyah), was a revolutionary wave of both violent and non-violent demonstrations, protests, riots, coups, foreign interventions, and civil wars in North Africa and the Middle East that began on 18 December 2010 in Tunisia with the Tunisian Revolution.
Ariana Grande-Butera (born June 26, 1993), known professionally as Ariana Grande (), is an American singer and actress.