The efficient separation of hazardous trivalent actinides from radioactive wastes remains a challengeto the global acceptance of nuclear power. With the dedicated efforts worldwide, diglycolamide(DGA) based ligands have been identified as the best extractants till today for the separationof trivalent actinides. Though the DGA-based ligands have been extensively studied inliquid–liquid extraction, in the last decade many interesting studies have appeared on supported liquid membrane-based separations utilizing these ligands. This article gives a comprehensive account of the studies that have been reported on DGA-based supported liquid membrane separationof actinides and lanthanides relevant to the back end of nuclear fuel cycle. Fundamentals of liquid membrane-based metal ion separations have been also discussed for designing the separation processes. Finally, a futuristic approach has been presented for the comprehensive investigation of DGA-based liquid membranes for their applications in radioactive waste management.