| Name | Notability | References |
|---|
| Benjamin Baker | English engineer in late 19th century |
| William F. Baker | American structural engineer of the Burj Khalifa |
| Michel Bakhoum | Egyptian consultant engineer and academic |
| Nicol Hugh Baird | Canal engineer and surveyor |
| George Rumford Baldwin | American canal engineer |
| James Fowle Baldwin | American canal engineer |
| Loammi Baldwin | American engineer and soldier |
| Hannskarl Bandel | Madison Square Garden roof, Crystal Cathedral |
| Harvey Oren Banks | State Engineer of California |
| James Arthur Banks | British dam engineer |
| Robert Barker | English railway engineer who also played in the first ever football international game |
| Henry Barnes | Traffic engineer who worked in US cities during 20th century |
| Nora Stanton Blatch Barney | American civil engineer |
| Peter W. Barlow | English engineer in late 19th century; notable for Lambeth Bridge (old) and tunnelling shield |
| William Henry Barlow | English engineer in late 19th century; railway engineering |
| Frank Baron | American academic |
| Alfred Barrett | American engineer of the Erie Canal |
| Javier Barros Sierra | Mexican engineer and teacher |
| Sir John Wolfe-Barry | English engineer in late 19th century; designed Tower Bridge |
| Lt Col Arthur John Barry | English engineer in late 19th and early 20th century; projects in China and India |
| John Vernon Bartlett | British civil and military engineer |
| Edward William Barton-Wright | British martial arts teacher |
| John Frederic La Trobe Bateman | British hydraulic engineer |
| Sir Joseph Bazalgette | English engineer in late 19th century; London sewerage system |
| Sir Thomas Hudson Beare | English engineer, academic |
| Nikolay Apollonovich Belelyubski | Russian bridge engineer |
| Bernard Forest de Belidor | Hydraulic engineer |
| Horace Bell | British railway engineer in India |
| William Bennet | English canal engineer |
| William Bennett | Irish-Australian bridge builder; Prince Alfred Bridge, Denison Bridge | [3] |
| Samuel Bentham | Designer of Vauxhall Bridge |
| Arthur Bergan | Canadian highways engineer |
| Sir George Berkley | British railway engineer |
| Henry Berry | Liverpool dock engineer |
| Charles Beyer | Anglo-German locomotive engineer |
| George Parker Bidder | British engineer; railways, telegraphs and hydraulics |
| Sir Alexander Binnie | English engineer in late 19th century; tunnels and bridges across the Thames |
| William Binnie | British waterworks engineer, son of the above |
| Geoffrey Binnie | Dam engineer, grandson and son of the above |
| Osama bin Laden | Founder of al-Qaeda, studied civil engineering at university |
| Alan W. Bishop | Developer of Bishop's method of analysing earth dams |
| Magnus Bjorndal | American engineer and inventor |
| John Blenkinsop | English engineer in mid-19th century; railways, locomotives and mining |
| Benjamin Blyth | Scottish railway engineer |
| Benjamin Blyth II | Scottish railway engineer, first practising Scottish engineer to become president of the Institution of Civil Engineers |
| Gudmundur S. (Bo) Bodvarsson | Icelandic civil engineer and researcher |
| Alfred P. Boller | American civil engineer |
| Sir Thomas Bouch | English engineer in late 19th century; first Tay Rail Bridge disaster |
| Guillaume Boutheroue | 17th-century French canal engineer |
| John Bradfield | Designer of Sydney Harbour Bridge |
| William Bragge | English engineer in the 19th century |
| Frederick Bramwell | British engineer |
| Jacob R. Brandt | American engineer in mid-19th century; covered bridge engineer |
| James Brindley | English engineer from mid-18th century; designed canals and watermills |
| John Alexander Brodie | City Engineer of Liverpool and inventor of the football goal net |
| Samuel Brown | British naval officer and bridge designer |
| William Brown | structural engineer |
| George Barclay Bruce | English railway engineer |
| Peter Bruff | British civil engineer |
| Henry Marc Brunel | English engineer in late 19th century |
| Isambard Kingdom Brunel | English engineer in mid-19th century; designed Great Western Railway, a series of famous steamships, and important bridges |
| Marc Isambard Brunel | French engineer in early 19th century; notable for the Thames foot tunnel |
| James Brunlees | Scottish engineer notable for designing Southend Pier |
| Peter Bruff | English engineer in 19th century; notable for work in Clacton on Sea |
| Sir George Buchanan | British civil engineer associated with harbour works in Burma, Iraq and Bombay, during early 20th century |
| George W. Buck | British canal, bridge and railway engineer |
| Leffert L. Buck | American civil engineer |
| Alfred Burges | British civil engineer |
| John Burland | Professor of civil engineering |
| Godliver Businge | Ugandan civil engineer | [4] |
