Joseph S. Gitt (September 9, 1815 – January 22, 1901) was a self-taught civil engineer and politician from Pennsylvania. After an unsuccessful career as a newspaper publisher, Gitt went back into railroading, estimating that in his career, he had conducted 31 different railroad surveys for a total distance of over 300 miles in his career Gitt either surveyed or engineered most of the railroads constructed in Frederick and Carroll county, Maryland and Adams county, Pennsylvania in the 1855-1885 period with the exception of the civil war.