Louis Boisot, Jr. (1856–1933) was an American lawyer and Vice President of the First Trust and Savings Bank of Chicago, Illinois.

[1] Boisot wrote the books By-laws of Private Corporations and A Treatise on the Law of Mechanics' Liens.

[6] On January 13, 1916, Boisot was appointed vice president, keeping his title of trust officer.

The latter book was reviewed, where it was stated that "a considerable part of the Pennsylvania law, for example, as given by Mr. Boisot, is already ancient history."

The review goes on to state: "As a digest of the law on Mechanic's Liens, as it existed at the time of writing, the work is of great value.