The Lufira masked weaver (Ploceus ruweti), also known as Ruwet's masked weaver or the Lake Lufira weaver, is a species of bird in the weaver family, Ploceidae. It is endemic to the Democratic Republic of the Congo. Its natural habitat is swamps in the south-east part of the country. It is sometimes regarded as a subspecies of the Tanzanian masked weaver.