East Kootenay South was an electoral district in the Canadian province of British Columbia in the 1898 and 1900 elections. Its official name was East Kootenay (South Riding). It was created by the partition of the old East Kootenay riding which also created its sibling, East Kootenay (North Riding). Successor ridings in the East Kootenay region were Cranbrook, Fernie, and Columbia.
Election winners are in bold.
| 8th British Columbia election, 1898 | ||||||
|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | Expenditures | |
| Opposition | William Baillie | 144 | 47.52% | unknown | ||
| Government | James Baker | 159 | 52.48% | unknown | ||
| Total valid votes | 303 | 100.00% | ||||
| Total rejected ballots | ||||||
| Turnout | % | |||||
| 9th British Columbia election, 1900 | ||||||
|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | Expenditures | |
| Conservative | John Ryan Costigan | 171 | 17.41% | unknown | ||
| Independent | William Fernie | 383 | 39.00% | unknown | ||
| Government | Edwin Clarke Smith | 428 | 43.58% | unknown | ||
| Total valid votes | 982 | 100.00% | ||||
| Total rejected ballots | ||||||
| Turnout | 55.37% | |||||