Frederick Octavius Prince (January 18, 1818 – June 6, 1899) was an American lawyer, politician, and mayor of Boston, Massachusetts.

The Boston Latin and English High School buildings were also erected due to his influence.

[8] In 1879 Prince was named an Honorary Member of the American Library Association, the first year the award was bestowed.

[2] After their marriage, they took residence in Winchester, Massachusetts and had one daughter and five sons, including: In Boston, they lived at 311 Beacon in the Back Bay.

[13] After the death of his wife in 1885, Prince married the widow of Samuel P. Blanc, a "distinguished member of the bar of New Orleans" in 1899.

[14][15] A bust of Frederick Prince now stands in the Cushman Room of the Boston Public Library.