RBF

RBF may refer to:

Organizations

 * Rassemblement Bruxelles-France, a Belgian political party
 * Reserve Bank of Fiji
 * Former Restaurant Trade Union, Denmark
 * Rockefeller Brothers Fund
 * Russian Basketball Federation

Places

 * Big Bear City Airport, California, US, IATA code RBF
 * Rangierbahnhof, a railway marshalling yard in Germany

Technologies and science

 * Radial basis function in mathematics
 * Radial basis function kernel or RBF kernel
 * Random Block File, an OS-9 file manager
 * Rat-bite fever
 * Renal blood flow
 * Revenue Based Financing
 * Rubidium fluoride, chemical formula RbF

Other uses

 * Reel Big Fish, a ska-punk band
 * Resting bitch face, an unintentionally annoyed-looking facial expression