William Frederick Todd (May 2, 1854 – March 16, 1935) was a businessman and political figure in New Brunswick.

Todd served as the 16th Lieutenant Governor of New Brunswick from February 28, 1923, to December 27, 1928.

He was born in St. Stephen, New Brunswick, the youngest son of Freeman H. Todd and Adeline Boardman.

His father was a very successful lumber merchant and president of the St. Croix Soap Manufacturing Company.

He died of a heart attack in 1935, while visiting a lawyer's office.