Charles F. Jeff Sullivan (October 10, 1904 – August 24, 1962) was an American politician who served as the 57th lieutenant governor of Massachusetts from 1949 to 1953.

When he was seven years old, Sullivan was nicknamed Jeff by a childhood friend who did not like the names Charles or Charlie.

He dropped out of high school to work as an errand boy for the Reed and Prince Manufacturing Company.

[1] Sullivan first ran for Mayor in 1943, however he lost that election to the Republican candidate William Bennett.

[2] On November 3, 1948, Sullivan was elected as Lieutenant Governor of Massachusetts, he was also reelected as mayor of Worcester and until 1949 he served in both capacities.