Neukirchen bei Lambach is a municipality in the district of Wels-Land, in the Austrian state of Upper Austria. It is located in the Hausruckviertel region of the state, roughly 30 kilometres southwest of Linz and close to the town of Lambach, after which it takes part of its name.
The municipality lies in the Alpine foothills of Upper Austria, in a landscape of gently rolling hills, farmland and small wooded areas. The area is part of the Traun river basin, and the Traun itself flows a few kilometres to the east, near Lambach. The village is made up of a small main settlement together with a number of scattered hamlets and farmsteads typical of the region.
Neukirchen bei Lambach is primarily a residential and agricultural community, with many residents commuting to nearby towns such as Wels, Lambach and Linz for work. The municipality is connected by local roads to the surrounding area and lies within reach of the Westbahn railway line and the A1 motorway, which link the Wels-Land district to the rest of Upper Austria.