Wilhelm Biener (Bienner) (1590 – 17 July 1651) was a lawyer, and chancellor of Tyrol.
Born in Lauchheim in what is now Baden-Württemberg, he was employed by Margrave Karl von Burgau from 1620 onwards. After having served under the Elector of Bavaria, Maximilian I from 1625 to 1630, he was appointed by Emperor Ferdinand II to be a judge at the Imperial Court. He was assigned to Archduke Leopold V of Tyrol, initially in an advisory function, but in 1638 he became court chancellor, a function he was to hold until 1650, first under Archduchess Claudia de' Medici and, after her death in 1648, under her son, Archduke Ferdinand Charles.