Nancy Jacobs (born October 27, 1951, in West Virginia) is a former Maryland State Senator representing District 34.

She became the owner and operator of West Shore Indoor Tennis Club, Edgewood, Maryland, where she worked until 1984.

In 1994, incumbent Republican State Delegate David R. Craig decided to retire in order to run for a seat in the Maryland Senate.

In 1998, she won the seat vacated by fellow Republican David R. Craig, who was the state senator for District 34 for only four years.

She retired from the Senate in 2015 After redistricting, Jacobs decided to run in the newly redrawn Maryland's 2nd congressional district and challenge incumbent Democratic U.S.