Benjamin Seaver (April 12, 1795 – February 14, 1856) was an American politician, serving as the thirteenth mayor of Boston, Massachusetts from January 5, 1852 to January 2, 1854.

[12] Seaver was born in Roxbury, Massachusetts[13] In 1812 Seaver became an apprentice at the auction and commission store of Whitwell & Bond.

[13] In 1816 Seaver became a partner in the firm which was renamed Whitwell, Bond & Co.[13] In 1818, Seaver purchased 5 shares of the Suffolk Bank, a clearinghouse bank on State Street in Boston.

[14] Seaver married Sarah Johnson.

In July 1847 Seaver was elected as the president of the Common Council and held that position for the two and a half years that he remained on the City of Boston Common Council.