ARF may refer to:

Organizations

Animal Rescue Foundation Tony La Russa's Animal Rescue Foundation (ARF) is a nonprofit organization founded by Elaine and Tony La Russa, based in Walnut Creek, California. ARF rescues dogs and cats from public shelters where they would otherwise be euthanized and adopts ...

* Armenian Revolutionary Federation *

ASEAN Regional Forum ASEAN ( , ), officially the Association of Southeast Asian Nations, is a political and economic union of 10 member states in Southeast Asia, which promotes intergovernmental cooperation and facilitates economic, political, security, mi ...

People

Cahit Arf Cahit Arf (; 24 October 1910 – 26 December 1997) was a Turkish mathematician. He is known for the Arf invariant of a quadratic form in characteristic 2 (applied in knot theory and surgery theory) in topology, the Hasse–Arf theorem ...

(1910–1997), Turkish mathematician

Science, medicine, and mathematics

* Acute renal failure * Acute rheumatic fever * ADP ribosylation factor, a small GTP-binding protein * The

Arf invariant In mathematics, the Arf invariant of a nonsingular quadratic form over a field of characteristic 2 was defined by Turkish mathematician when he started the systematic study of quadratic forms over arbitrary fields of characteristic 2. The Arf i ...

in mathematics * Argon fluoride laser or ArF laser * Atomic Resonance Filter or atomic line filter *

Auxin Auxins (plural of auxin ) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essenti ...

Response Factors in plants * p14arf or ARF tumor suppressor

Other uses

* Arf (''Nanoha''), character in ''Magical Girl Lyrical Nanoha'' *

Abuse Reporting Format The Abuse Reporting Format (ARF) also known as the Messaging Abuse Reporting Format (MARF) is a standard format for reporting spam via email. History A draft describing a standard format for feedback loop (FBL) reports was posted by Yakov Shafra ...

* Almost-Ready-to-Fly model aircraft * The Azkena Rock Festival, Vitoria-Gasteiz, Spain {{Disambiguation