| Name |
Notability |
References |
| John MacAdam |
roads |
|
| Thomas Harris MacDonald |
Highway engineer |
|
| Sir John MacNeill |
railways |
|
| William Mahone |
plank road, railways |
|
| Robert Maillart |
Swiss, concrete bridges |
|
| Robert Manning |
Open channel flow |
|
| James Mansergh |
English railway, water supply and sewage engineer |
|
| Javier Manterola |
Spanish bridge engineer |
|
| Mao Yisheng |
a Chinese structural engineer who expert on bridge construction |
|
| William Marriott |
English railway engineer |
|
| James Barney Marsh |
American concrete bridge engineer |
|
| Timothy P. Marshall |
failure analysis, wind and impact engineering, meteorologist (codeveloper of Enhanced Fujita Scale) |
|
| William Matthews |
British harbour engineer |
|
| Jorge Matute Remus |
Mexican, known for moving a 1700 ton building in 1950 |
|
| Guy Maunsell |
British, prestressed concrete in bridges, Maunsell Forts |
|
| William Maw |
British railway engineer |
|
| Sir Henry Maybury |
British railway and highways engineer |
|
| John Robinson McClean |
British engineer, railways, water supply |
|
| Conde McCullough |
bridges |
|
| Scott McMorrow |
playwright, poet, and engineer |
|
| George Matthew McNaughton |
British hydraulic engineer |
|
| Carl Friedrich Meerwein |
German, aviation |
|
| Montgomery "Monty" Meigs (American; 1847–1931) |
waterways |
|
| Charles Meik |
ports, railways, hydroelectric schemes |
|
| Patrick Meik |
ports, railways |
|
| Thomas Meik |
ports, railways |
|
| Christian Menn |
Swiss, known for bridges, including the Leonard P. Zakim Bunker Hill Bridge, part of the Big Dig in Boston. |
|
| John Miller |
19th century Edinburgh-based railway engineer (Grainger & Miller) |
|
| Ralph Modjeski |
Polish-American bridge designer |
|
| Otto Mohr |
bridges, railways |
|
| Leon Moisseiff |
American suspension bridge engineer |
|
| Guilford Lindsey Molesworth |
English railway engineer |
|
| General Sir John Monash GCMG, KCB, VD |
Bridges and precast concrete (also Commander of the Australian Corps in World War I) |
|
| Riccardo Morandi |
bridges |
|
| Ben Moreell |
Four star Admiral and father of the US Navy Seabees |
|
| Charles Langbridge Morgan |
British civil engineer |
|
| James Morgan |
Regent's Canal |
|
| George S. Morison |
American railway bridge engineer |
|
| Thomas William Moseley |
American engineer |
|
| Basil Mott |
mines, tunnels, bridges |
|
| Reginald Mountain |
British hydroelectric engineer |
|
| Sir Alan Muir Wood |
British tunnelling engineer |
|
| Jean M. Muller |
French bridge engineer |
|