The 1908 Idaho gubernatorial election was held on November 3, 1908. Republican nominee James H. Brady defeated Democratic nominee Moses Alexander with 49.61% of the vote.
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Major party candidates
Other candidates
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | James H. Brady | 47,864 | 49.61% | ||
| Democratic | Moses Alexander | 40,145 | 41.61% | ||
| Socialist | Ernest Untermann | 6,155 | 6.38% | ||
| Prohibition | William C. Stalker | 2,168 | 2.25% | ||
| Independent | E.W. Johnson | 131 | 0.14% | ||
| Majority | 7,719 | ||||
| Turnout | |||||
| Republican hold | Swing | ||||
