District 40 of the Georgia Senate is located in Metro Atlanta.

The district includes northern DeKalb and western Gwinnett counties, including all or parts of Brookhaven, Chamblee, Doraville, Dunwoody, Norcross, and Peachtree Corners. While the district includes many neighborhoods in DeKalb County with Atlanta addresses, there is no part of the city of Atlanta within the district.

The current senator is Sally Harrell, a Democrat from Atlanta first elected in 2018.

Former occupants of the seat include Zell Miller, former governor and U.S. Senator, and Paul Coverdell, former U.S. Senator.

List of senators

MemberPartyYearsResidenceElectoral historyCounties
L.T. Mitchell1947 – 1949Clayton
Osbon L. Foster1949 – 1951Hiawassee
Bonnell Akins1951 – 1953Blairsville
Harry L. Brown1953 – 1955Mountain City
W. K. Dean1955 – 1957Young Harris
H. M. Edge1957 – 1959Blairsville
Russell Ellis Cannon1959 – January 9, 1961Clayton
Zell MillerJanuary 9, 1961 – January 14, 1963
Dan MacIntyreJanuary 14, 1963 – April 6, 1969
E. Earl PattonJune 4, 1969 – January 8, 1973
Paul D. CoverdellJanuary 8, 1973 – May 2, 1989
Michael J. EganJune 1989 – January 2001
Rusty PaulJanuary 3, 2001 – January 3, 2003
Liane Levetan2003 – 2005
Dan Weber2005 – 2011
Fran Millar2011 – January 13, 2019
Sally HarrellJanuary 14, 2019 – present