Seaway was a television drama series produced in Canada in 1965. The series was a Seaway Films production in collaboration with the UK's ATV, with production money provided by the Canadian Broadcasting Corporation (CBC), which broadcast the series during the 1965-1966 season. It was distributed by ITC Entertainment.

A deep inland river which permits the passage of ocean-going vessels.

a lane at sea that is a regularly used route for vessels

the navigable portion of the sea