Frank P. Bennett Jr. was an American politician, banker, and editor who served in the Massachusetts General Court.

He attended public schools in Everett, Massachusetts, and graduated from Harvard University from 1900.

[1] Bennett was first elected to public office in 1903, winning a seat on the Saugus, Massachusetts, School Committee by seven votes (423 to 416).

[7] Bennett was the editor of the United States Investor and the American Wool and Cotton Reporter, two publications founded by his father.

He was also a director and investment committee member of the Holyoke Mutual Fire Insurance Company.