Submitted by Slambo on Tue, 01/26/2016 - 14:11
- Ice, Carl - President and CEO of BNSF Railway. Named 2016 Railroader of the Year by Railway Age Magazine.
- Idrac, Anne-Marie (born 1951) - President of RATP 2002-2006, president of SNCF 2006-__.
- Ingalls, Melville E. - President of Chesapeake & Ohio Railroad. President of Cincinnati, Georgetown & Portsmouth Railroad. President of Cincinnati, Indianapolis, St. Louis & Chicago Railway. President of Central Union Depot & Railway. President of Cleveland, Cincinnati, Chicago & St. Louis Railway. (Poor's 1887, p 44; Official List 1888, pp 36 and 51; Pocket List 1907, pp 245 and 287)
- Ingersoll, C. E. - President of Midland Valley Railroad. (NY Times, May 22, 1918)
- Ingham, William A. - President of East Broad Top Railroad. (Poor's 1887, p 57; Offical List 1888, p 75)
- Ingraham, James E. - President of South Florida Railroad. (Official List 1888, p 180)
- Ingram, John W. (died 2008) - Federal Railroad Administration administrator 1971-1974; president of Chicago, Rock Island & Pacific Railroad 1974-1979 [succeeded by William M. Gibbons]; responsible for the black/blue/white livery of the Rock Island.
- Innes, P. - President of Windsor & Annapolis Railroad. (Official List 1888, p 198)
- Insull, Samuel (1859-1938) - President of Chicago & Illinois Midland Railway. President of Sterling, Dixon & Eastern Electric Railway. President of Union Consolidated Elevated Railway. (Pocket List 1907, p 253; Illinois PUC, 1915, pp 1273 and 1275)
- Irvine, George (1826-1897) - Commissioner for Quebec, Montreal, Ottawa & Occidental Railway 1876-__.
- Irwin, W. - Superintendent of Baltimore & Ohio Railroad's Philadelphia Division. (Poor's 1887, p 11)
- Isham, W. B. - Owner of Austin & Northwestern Railroad. (Poor's 1887, p 9)
- Ismay, Joseph Bruce (1862-1937) - Director for London & North Western Railway.
- Ivatt, Henry Alfred (1851-1923) - Chief Mechanical Engineer for Great Northern Railway (UK) 1896-1911 [preceded by Patrick Stirling; succeeded by Nigel Gresley].
- Ivatt, Henry George (1886-1976) - Son of Henry A. Ivatt, was commonly known as George Ivatt; Chief Mechanical Engineer for London Midland & Scottish Railway 1946-1947 [preceded by Charles Fairburn].
- Ives, Brayton - President of Northern Pacific Railroad. (Wisconsin Railroad Commission 1897, p 33)
- Ives, Charles John (1831-1906) - President of Burlington, Cedar Rapids & Northern Railroad. (Poor's 1887, p 21; Official List 1888, p 23)