The biennial Frontiers in Low Temperature Plasma Diagnostics (FLTPD) workshop is being organized by the Atomic and Molecular Physics Laboratory (University of Trento) and the Institute for Plasma Physics and Technology (CNR–Bari). This workshop is the continuation of a very successful biennial series which began in 1995 at Les Houches (France). The FLTPD workshop is a European event which brings together scientists working on low-temperature plasmas to present their recent results, focusing on original diagnostic techniques.