Wilhelm Alter
Wilhelm Alter is the name of the following people:
- Wilhelm Alter senior (1843–1918), German psychiatrist
- Wilhelm Alter junior (1875–1943), German psychiatrist and MdL Lippe (DVP)
- Wilhelm Alter (journalist) (1878–1913), Sudeten German journalist and historian
- Wilhelm Rudolf “Willi” Alter (1916–2005), historical regional historian, President of the Palatinate. Society for the promotion of science