There are several free flaps that are commonly used for the reconstruction of head and neck defects, such as the radial free arm flap and latissimus dorsi flap. Free flaps are considered to be a reliable and effective method of reconstruction, with the potential advantage of immediate blood supply to the transferred tissue for nutrition. The radial flap, in particular, is commonly used for smaller defects. The technique for harvesting a free radial forearm flap is simple and can be used to reconstruct any regional defects in the oral cavity. This article discusses a series of case reports that were successfully reconstructed using the free radial forearm flap technique.