NFB

NFB may refer to:

Biology

 * NF-κB, in molecular biology, often written as NF-B
 * Neurofeedback, therapy technique that presents the user with realtime feedback on brainwave activity

Organisations

 * National Federation of the Blind, American non-profit organization
 * National Federation of Builders, British trade association
 * National Film Board of Canada, Canada's public film producer and distributor
 * Network of Excellence for Functional Biomaterials, research centre based in Galway, Ireland
 * Nouvelle Federation Board, non-fifa football representative organisation

Other uses

 * Negative feedback, process of feeding back to the input a part of a system's output, so as to reverse the direction of change of the output
 * Noise from the Basement, debut album by Canadian singer Skye Sweetnam
 * North Fork Bank, which was acquired by Capital One Bank in 2008