GO:0032218

The directed movement of riboflavin into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Riboflavin (vitamin B2) is a water-soluble B-complex vitamin, converted in the cell to FMN and FAD, cofactors required for the function of flavoproteins. [GOC:rn, PMID:16204239]