Sir John Kennedy (26 September 1838 – 25 October 1921) was a
Canadian civil engineer. He was born at Spencerville, Ontario,
and was educated at McGill University. In 1863 he was appointed
assistant city engineer of Montreal. In 1871 he became division
engineer, and later chief engineer of the Great Western System
of Canada. In 1875-1907 he was chief engineer of the Montreal
harbour commission. He deepened the ship canal between Montreal
and Quebec from 20 to 27½ feet (6.1 to 8.4 m) and designed and
carried out all the improvements in Montreal harbor during 32
years. He was a member of several royal commissions for
engineering purposes connected connected with the Lachine Canal,
the causes of floods at Montreal, and the completion of the
Trent Valley Canal system.