In this work we describe 47 new Trichoptera species most of them from Georgia: Wormaldia kala sp. nov., W. khizabavra sp. nov., W. kokoa sp. nov., W. kulbaka sp. nov., W. lopota sp. nov., W. varjanulia sp. nov., Tinodes abana sp. nov., Plectrocnemia zekaria sp. nov., Hydropsyche adjaria sp. nov., H. gouria sp. nov., H. svanetica sp. nov., Rhyacophila aragva sp. nov., R. chakvistskala sp. nov., R. kakhetia sp. nov., R. kokoa sp. nov., R. namona sp. nov., Agapetus kintrisha sp. nov., Thremma balcanum sp. nov., T. svaneticum sp. nov., Martynomyia svanetia sp. nov., M. zazai sp. nov., Apataniana bakhmara sp. nov., A. gouria sp. nov., Drusus stephantsmind sp. nov., Badukiella markha sp. nov., Kelgena bakhmara sp. nov., K. bellae sp. nov., K. goderdza sp. nov., K. lapankura sp. nov., K. levani sp. nov., K. samtskha sp. nov., K. tetnulda sp. nov., K. tobara sp. nov., K. vekona sp. nov., Rizeiella keda sp. nov., R. sashuala sp. nov., R. tbetia sp. nov., R. varjana sp. nov., Stenophylax almat sp. nov., S. kulbak sp. nov., Ernodes bakhmarensis sp. nov., E. mingreliensis sp. nov., Schizopelex akhalchala sp. nov., S. mingrelia sp. nov., S. jvaria sp. nov., S. masula sp. nov., S. nazhala sp. nov. Moreover, 9 other species are new for Georgia: Wormaldia hoska Oláh, 2020, W. obola Oláh, 2020, W. sakaorum Oláh, 2020, Diplectrona robusta Martynov, 1934, Rhyacophila kora Oláh, 2020, Agapetus caucasicus Martynov, 1913, Lepidostoma iranicum Schmid, 1959, Grammotaulius nigropunctatus (Retzius, 1783) and Ernodes ordubadensis Oláh & Kerimova, 2020. The family Uenoidae and the genus Thremma are new for Georgia.