George Partridge Sanger (November 27, 1819 – July 3, 1890) was an American lawyer, editor, judge, and businessman who served as the United States Attorney for the District of Massachusetts from 1873 to 1886 and was the first president of the John Hancock Mutual Life Insurance Company.

[1] He spent the next three years practicing law in Boston, first with Stephen Henry Phillips, and later with Charles G.

[2] In 1849, Sanger was named Assistant United States Attorney for the District of Massachusetts.

Following the death of David H. Mason, President Ulysses S. Grant appointed Sanger United States Attorney for the District of Massachusetts.

[1] Sanger worked for Little, Brown and Company, where he was responsible for editing the Law Reporter and The United States Statutes at Large.