ARFB, ArfB or 'arfB may refer to:
Biochemistry 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate deformylase, an enzyme Alternative ribosome-rescue factor B - ArfB, a protein that helps rescue stalled ribosomes. arfB the gene for ArfB.
Organisations Arkansas Farm Bureau Federation, a non-profit organization , a non-profit organization