Tosena (from ) is a genus of cicadas from South-East Asia. Species formerly included in Tosena are Distantalna splendida, Formotosena montivaga, Formotosena seebohmi, Trengganua sibylla and two species now placed in Vittagaeana, with Tosena the only genus of tribe Tosenini.
The Global Biodiversity Information Facility lists:
Note: Two species, Tosena dives and T. paviei, in this "taxonomically unstable group of Asian cicada tribes", were moved by Hill et al. in 2021 to the new genus Vittagaeana: now placed in the Gaeanini.