2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160865We present the classification of real nilpotent quasi-filiform Lie algebras endowed with a complex structure. A nilpotent Lie algebra g is called quasi-filiform is the nilindex is equal to dim(n)-2. We recall that the filiform case (nilindex =dim(g)-1) has already been studied.In FrenchRings and AlgebrasDifferential Geometry17B30; 53C56; 22E15text