| Election Name: | 2008 Guamanian legislative election |
| Country: | Guam |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2006 Guamanian general election |
| Previous Year: | 2006 |
| Next Election: | 2010 Guamanian legislative election |
| Next Year: | 2010 |
| Seats For Election: | All 15 seats of the Legislature of Guam |
| Election Date: | November 4, 2008 |
| Image1: | Judith Won Pat Portrait (cropped).jpg |
| Leader1: | Judith T.P. Won Pat |
| Party1: | Democratic Party (United States) |
| Leaders Seat1: | At-large district |
| Last Election1: | 7 seats |
| Seats1: | 10 |
| Seat Change1: | 3 |
| Popular Vote1: | 231,409 |
| Leader2: | Ray Tenorio |
| Party2: | Republican Party (United States) |
| Leaders Seat2: | At-large district |
| Last Election2: | 8 seats |
| Seats2: | 5 |
| Seat Change2: | 3 |
| Popular Vote2: | 158,300 |
| Speaker | |
| Before Election: | Judith Won Pat |
| Before Party: | Democratic Party (United States) |
| After Election: | Judith Won Pat |
| After Party: | Democratic Party (United States) |
An election for the Legislature of Guam took place on Tuesday, November 4, 2008,[1] coinciding with the 2008 United States general elections and the Guam general election. Democrats defeated three Republican incumbents: Mark Forbes, Frank Ishizaki and Jesse Lujan however one Democratic incumbent was defeated namely Vice-Speaker David Shimizu.
The members are elected at-large with the first 15 winning candidates are elected as the new members of the legislature. As there were many candidates running, primaries were set on September 6, 2008 for both the Democratic and Republican parties. The first fifteen candidates who win the highest votes go on to the General election.
Following the primaries, there were 26 candidates vying for the 15 seats in the Legislature of Guam.[1] The members are elected at-large with the first 15 winning candidates are elected as the new members of the legislature. The Democratic Party gained full control of the legislature with 10 seats, while the Republican Party gaining only five seats.[2]
There will be 4 freshman Senators in the 30th Legislature. Four were elected on November 4, 2008.