Light Regional Council is a local government area north of Adelaide in South Australia.

[3] The river is named after William Light, the first Surveyor-General of South Australia.

[4][5] The council includes the localities of Allendale North, Bagot Well, Bethel, Daveyston, Ebenezer, Fords, Freeling, Gawler Belt, Gawler River, Gomersal, Greenock, Hamilton, Hewett, Kangaroo Flat, Kapunda, Kingsford, Koonunga, Linwood, Magdala, Marananga, Moppa, Morn Hill, Nain, Pinkerton Plains, Roseworthy, Seppeltsfield, Shea-Oak Log, St Johns, St Kitts, Stone Well, Tanunda, Templers, Ward Belt, Wasleys and Woolsheds, and parts of Hamley Bridge, Hansborough, Lyndoch, Nuriootpa, Reeves Plains, Rosedale, Rowland Flat, Stockwell and Truro.

The council was also spanned by the Morgan railway line (Gawler, Roseworthy, Freeling, Kapunda toward Eudunda) and Peterborough railway line (from the junction at Roseworthy through Wasleys toward Hamley Bridge).

The Light Regional Council has a directly elected mayor.