Nevada's 18th Senate district is one of 21 districts in the Nevada Senate.

It was most recently represented by Republican Scott Hammond from 2012 to 2023.

[3] District 18 covers the northwestern edge of the Las Vegas Valley in Clark County, including parts of Summerlin and Las Vegas proper.

[3] The district is located entirely within Nevada's 4th congressional district, and overlaps with the 4th and 13th districts of the Nevada Assembly.

[4] Nevada Senators are elected to staggered four-year terms; since 2012 redistricting, the 18th district has held elections in presidential years.