13 October 1843 in Tengen, Grand Duchy of Baden; d. 2 May 1911 in Stuttgart) was a German civil engineer, university teacher, and author of an encyclopedia of technology.

From 1874 he headed the Frankfurt Civil Engineering Office, and later that of Freiburg im Breisgau.

From 1878 he worked as a freelance engineer in Stuttgart and built mainly waterworks, in Baden-Baden, Freiburg im Breisgau, Pforzheim and Lahr amongst others.

In recognition of his scientific and practical achievements in the field of water supply Lueger was awarded an honorary doctorate from the University of Halle-Wittenberg in 1894.

Lueger was the first editor of the "Lexikon der gesamten Technik", an encyclopedia of technology, which appeared in several editions.