Cariboo South was a provincial electoral district for the Legislative Assembly of British Columbia, Canada from 1991 to 2009.
| Population, 2001 | 35,678 | |
| Population Change, 1996-2001 | -2.1% | |
| Area (km²) | 59,757.93 | |
| Pop. Density (people per km²) | 0.60 |
Its last MLA was Charlie Wyse, a former city councillor for Williams Lake. He was first elected in 2005. He represented the New Democratic Party of British Columbia. He ran again in the newly created riding of Cariboo-Chilcotin for the 2009 election and was defeated.
|- |NDP|Charlie Wyse|align="right"|7,277|align="right"|45.99%|align="right"||align="right"|$53,725|-|Independent|Mike Orr|align="right"|532|align="right"|3.36%|align="right"||align="right"|$954|- bgcolor="white"!align="right" colspan=3|Total Valid Votes!align="right"|15,823!align="right"|100%!align="right"||- bgcolor="white"!align="right" colspan=3|Total Rejected Ballots!align="right"|93!align="right"|0.59%!align="right"||- bgcolor="white"!align="right" colspan=3|Turnout!align="right"|15,916!align="right"|67.43%!align="right"|
|NDP|David Zirnhelt|align="right"|4,259|align="right"|25.83%|align="right"|$40,430|- bgcolor="white"!align="right" colspan=3|Total Valid Votes!align="right"|16,490!align="right"|100.00%|- bgcolor="white"!align="right" colspan=3|Total Rejected Ballots!align="right"|66!align="right"|0.40%|- bgcolor="white"!align="right" colspan=3|Turnout!align="right"|16,556!align="right"|74.70%
|- |NDP|David Zirnhelt|align="right"|6,372|align="right"|41.45%|align="right"||align="right"|$40,565|-|- bgcolor="white"!align="right" colspan=3|Total Valid Votes!align="right"|15,373!align="right"|100.00%!align="right"||- bgcolor="white"!align="right" colspan=3|Total Rejected Ballots!align="right"|69!align="right"|0.45%!align="right"||- bgcolor="white"!align="right" colspan=3|Turnout!align="right"|15,442!align="right"|70.88%!align="right"|
|- |NDP|David Zirnhelt|align="right"|6,369|align="right"|45.37%|align="right"||align="right"|$44,267|-|- bgcolor="white"!align="right" colspan=3|Total Valid Votes!align="right"|14,037!align="right"|100.00%!align="right"||- bgcolor="white"!align="right" colspan=3|Total Rejected Ballots!align="right"|316!align="right"|2.20%!align="right"||- bgcolor="white"!align="right" colspan=3|Turnout!align="right"|14,353!align="right"|72.94%