William Robert Bastian (October 21, 1938 – July 13, 2019) was a Republican member of the Pennsylvania House of Representatives, representing the 69th District. He and his wife lived in Friedens, Pennsylvania, and had five children. He retired prior to the 2008 election, having joined in 1999, and was succeeded by Republican Carl Walker Metzgar. On July 11, 2019, Bastian was accidentally crushed by a rolling tractor's wheel on his farm. He died on July 13 at Conemaugh Memorial Medical Center in Johnstown, Pennsylvania.