Charles Henry Wacker (29 August 1856 – 31 October 1929), born in Chicago, Illinois, was a German American businessman and philanthropist.
He was Vice Chairman of the General Committee of the Commercial Club of Chicago, and in 1909 was appointed Chairman of the Chicago Plan Commission by Mayor Fred A.
Busse.
As Commission chairman from 1909 to 1926, he championed the Burnham Plan for improving Chicago.
His work to promote the plan included addresses, obtaining wide publicity from newspapers, and publishing Wacker's Manual of the Plan of Chicago (by Walter D.