The paper presents the results of studying the effect of non-equilibrium low-temperature plasma (LTP) and synthesized non-ionic and cation-active amine-based surfactants on the quality of acid dyeing of wool and leather sides of sheepskins. The plasma treatment conditions, which led to high quality in colour intensity and uniformity of dyeing along both the height of a wool fiber and sheepskin surface area, were determined (U=3.0 кV; I=0.8 A; Wp=2.15 kW; τ=5.0 min; G =0.04 g/s; plasma gas – argon). The study showed that the application of surfactants for the dyeing process led to an increase in dye selectivity ranging from 90% to 100%. A significant increase in dye resistance to dry friction of sheepskins as well as in their strength and elastic characteristics after low temperature plasma treatment was observed (grayscale level was 5; the tensile strength at breaking increased by 10%, the tensile elongation of a leather fabric after dyeing increased by 15%). The study proved the efficiency of the technology which combined plasma treatment and dyeing of sheepskins in the presence of synthesized surfactants used as dye-leveling agents.