Wilhelm "Willi" Veller (October 9, 1896, Witten, Province of Westphalia – June 22, 1941) was a German politician and member of the Nazi Party and the SA.
As chief of police (Polizeipräsident) in Wuppertal, he oversaw Kemna concentration camp until he was removed from his post.
He was later sent to the east front, where he died fighting in Bredunai (also known as Bredauen or Jagodne) in the district of Gumbine (Regierungsbezirk Gumbinnen, Nesterov), East Prussia, in 1941.