| Name |
Notability |
References |
| Charles Labelye |
Swiss engineer of the Westminster Bridge |
|
| Kirby Laing |
former chairman of John Laing plc |
|
| Tulio Larrinaga |
Puerto Rican Resident Commissioner |
|
| Rashid Latif |
Former Pakistani cricket team wicketkeeper and captain |
|
| J. J. Leeming |
British county surveyor and road engineer |
|
| Robert Legget |
Canadian non-fiction writer |
|
| Thomas Leiper |
designer of a canal and railway |
|
| Curtis LeMay |
U.S. Air Force general and Vice-Presidential candidate |
|
| William LeMessurier |
American structural engineer |
|
| David Lennox |
Scottish mason and bridge engineer |
|
| Fritz Leonhardt |
German structural engineer |
|
| Ferdinand de Lesseps |
Engineer for the Suez Canal |
|
| Tung-Yen Lin |
bridges, the pioneer of prestressed concrete |
|
| Louis Maurice Adolphe Linant de Bellefonds |
Chief Engineer of the Suez Canal |
|
| Gustav Lindenthal |
Czech bridge engineer |
|
| William Lindley |
water and sewerage works |
|
| Joseph Locke |
railways |
|
| Joseph Lstiburek |
Canadian forensic engineer |
|
| Anthony George Lyster |
British docks engineer |
|