Netherby is an inner-southern suburb of Adelaide, South Australia which lies within the City of Mitcham.

Netherby is located within walking distance of Mitcham Square Shopping Centre and sports facilities.

The suburb is in close proximity to Mercedes College and Scotch College as well as St Josephs and Mitcham Primary schools and Mitcham Girls School.

Netherby is located in the federal electorate of Boothby, and has been represented since 2022 by Louise Miller-Frost of the Australian Labor Party.

[4] The local government of Netherby is the Mitcham Council, where the suburb is located in the Boorman Ward.