Altlengbach is a town in the district of Sankt Pölten-Land in the Austrian state of Lower Austria.
There are the following localities in the town: Altlengbach, Audorf, AuÃÂerfurth, Gottleitsberg, GroÃÂenberg, Gschaid, Haagen, Hart, Hocheichberg, Höfer, Innerfurth, Kleinberg, Kogl, Leitsberg, Lengbachl, Linden, MaiÃÂ, Manzing, Nest, ÃÂd, ÃÂdengraben, Pamet, Schoderleh, Steinhäusl, and Unterthurm.