William Rust

William Rust may refer to:


 * William Rust (journalist) (1903–1949), British communist activist and newspaper editor
 * William A. Rust (1846–1903), Wisconsin state senator
 * William Ross Rust, president of the Tacoma Smelter and Refining Company
 * William Ross Rust House, named after William Ross Rust
 * William Rust Summit, a mountain summit in California