A canal engineer is a civil engineer responsible for planning (architectural and otherwise) related to the construction of a canal.
Canal engineers include:
China
Yu the Great (c.2200BCE-c.2100BCE), first Dynast of China, founder of the first dynasty, who dedicated his life establishing flood control structures across the Chinese Hegemony, including canals, establishing the new hegemony in the process, across flood ruined competing kingdoms. Ximen Bao Li Bing (c. 3rd century BC), Dujiangyan
France
Louis Maurice Adolphe Linant de Bellefonds (1799-1883), Suez Canal
Ferdinand de Lesseps (1805-1894), Suez Canal and the failed first attempt at a canal in Panama
Hungary
István Türr (1825-1908), Corinth Canal
United Kingdom
James Brindley
James Dadford
John Dadford
Thomas Dadford
Thomas Dadford, Jr. Hugh Henshall John Hore Josias Jessop William Jessop Benjamin Outram John Rennie the Elder Thomas Sheasby John Smeaton William Smith Thomas Telford