John Whitton (1820, near Wakefield, Yorkshire, England – 20 February 1898), an Anglo–Australian railway engineer, was the Engineer-in-Charge for the New South Wales Railways, serving between 1856 and 1899, considered the Father of New South Wales Railways. Under his supervision, it is estimated that of railway around New South Wales and Victoria were completed. Whitton was responsible for the construction of the Blue Mountains railway line and parts of the Main Western railway line, in particular the Great Zig Zag near Lithgow, and much of the Great Southern line.