Carl Ritter von Ghega, Italian engineer, designed the Semmering railway (b. 1802)

Karl Ritter von Ghega or Karl von Ghega (10 January 1802 – 14 March 1860) was an Austrian nobleman and the designer of the Semmering Railway from Gloggnitz to Mürzzuschlag. During his time, he was the most prominent of Austrian railway engineers and architects.