Alexander Ross (20 April 1845 – 3 February 1923) was a British civil engineer particularly noted for his work with the railway industry.

During his time at MS&LR he was responsible for the design of many of the works involved with that company's London Extension.

[1] During his time at GNR his advice was sought by the company's board on the locomotive design to be chosen for their no.1300 series of engines.

[2] His works as an engineering consultant included the Hertford Loop Line and Breydon Viaduct, with Ross serving as the Engineer-in-Chief of the latter.

[3] On 16 June 1897 he was appointed Major in the Engineer and Railway Staff Corps, an unpaid unit of the Volunteer Force which provided technical advice to the British Army.