These are lists of tugboats on the Great Lakes and St. Lawrence River that organize them by categories, rather than by their owner. These lists only feature vessels currently in existence on the Great Lakes/St. Lawrence.
- Tugs as Museums and Displays
- Articulated Tugboats
- Former U.S. Army 45-footers
- Former U.S. Army 70-footers
- Former U.S. Army 85-footers
- Former U.S. Coast Guard 110-footers
- Former Canadian Navy “Glen” tugs
- Former U.S. Navy 109-foot YTBs
- Russel Brothers-built tugs/workboats
- Tugs Built pre-1930
- Tugs Built in Great Lakes Shipyards
- Scrap Tows
