| Election Name: | 2010 California lieutenant gubernatorial election |
| Country: | California |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2006 California lieutenant gubernatorial election |
| Previous Year: | 2006 |
| Next Election: | 2014 California lieutenant gubernatorial election |
| Next Year: | 2014 |
| Election Date: | November 2, 2010 |
| Image1: | File:Gavin Newsom official photo (cropped 2).jpg |
| Nominee1: | Gavin Newsom |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 4,917,880 |
| Percentage1: | 50.12% |
| Nominee2: | Abel Maldonado |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 3,820,971 |
| Percentage2: | 38.94% |
| Image3: | File:3x4.svg |
| Nominee3: | Pamela Brown |
| Party3: | Libertarian Party (United States) |
| Popular Vote3: | 574,636 |
| Percentage3: | 5.85% |
| Map Size: | 300px |
| Lieutenant Governor | |
| Before Election: | Abel Maldonado |
| Before Party: | Republican Party (United States) |
| After Election: | Gavin Newsom |
| After Party: | Democratic Party (United States) |
The 2010 California lieutenant gubernatorial election was held on November 2, 2010, to elect the lieutenant governor of California. The primary election took place on June 8, 2010. Incumbent Republican lieutenant governor Abel Maldonado, who had been appointed to the office, ran for election to a full term but was defeated by Democratic Mayor Gavin Newsom of San Francisco. Lieutenant Governor Newsom started his four-year term on 10 January 2011.
The following were certified by the California Secretary of State as candidates in the primary election for lieutenant governor.[1] Candidates who won their respective primaries and qualified for the general election are shown in bold.
| width='175' | Poll source | width='200' | Dates administered | width='150' | Gavin Newsom | width='150' | Dean Florez | width='150' | Janice Hahn | width='150' | Alan Lowenthal | width='150' | Undecided |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fairbank, Maslin, Maullin and Associates[2] | align=center | October 3–7, 2009 | align=center | — | align=center | 8% | align=center | 24% | align=center | 7% | align=center | 61% | |
| Tulchin Research[3] | align=center | January 2010 | align=center | 33% | align=center | 15% | align=center | 17% | align=center | — | align=center | 35% |
| width='175' | Poll source | width='200' | Dates administered | width='150' | Abel Maldonado (R) | width='150' | Gavin Newsom (D) | width='150' | Undecided/other |
|---|---|---|---|---|---|---|---|---|---|
| Times/USC[4] | October 13–20, 2010 | 37% | align=center | 41% | 5% | ||||
| SurveyUSA[5] | October 15–18, 2010 | 37% | align=center | 43% | 6% | ||||
| The Field Poll[6] | September 25, 2010 | 35% | align=center | 39% | 26% | ||||
| Survey USA[7] | September 19–21, 2010 | 41% | align=center | 44% | 11% | ||||
| Public Policy Polling[8] | September 14–16, 2010 | 36% | align=center | 39% | 24% | ||||
| Survey USA[9] | August 31-September 1, 2010 | 39% | align=center | 44% | 15% | ||||
| Survey USA[10] | August 8–11, 2010 | 42% | align=center | 43% | 15% | ||||
| The Field Poll[11] | June 22–25, 2010 | 34% | align=center | 43% | 23% |