This chapter introduces the main aspects on transparent conductive polymers. It deals with polyaniline (PANI) and polypyrrole (PPy), being two of the most studied polymers in the 1970s and 1980s. The chapter also deals with more recent approaches in the form of composites of conductive polymers with metal grids and other carbon-based materials like carbon nanotubes (CNTs) or graphene. Probably the bigger strength polymers have against other conducting materials is their processability. Among them, poly(3,4-ethylenedioxythiophene) (PEDOT) has become the most successful because of its availability as a polymer dispersion, usually in the form of a nonstoichiometric polyelectrolyte complex with polystyrene sulfonate (PSS), PEDOT:PSS. Conducting polymers, with their huge user-defined conductivity range and mechanical properties according to their soft nature, appear as an interesting possibility. Some successful solutions, in the form of PEDOT:PSS aqueous dispersions, have yet been applied in the field of organic electronics.