People with the last name Schnackenberg in Illinois
- Barbara Schnackenberg
- Betty Schnackenberg
- Curt Schnackenberg
- Doug Schnackenberg
- Elizabeth Schnackenberg
- George Schnackenberg
- Gregory Schnackenberg
- Harry Schnackenberg
- Jack Schnackenberg
- James Schnackenberg
- Jayne Schnackenberg
- John Schnackenberg
- Jr Schnackenberg
- Kathline Schnackenberg
- Kimberly Schnackenberg
- Margaret Schnackenberg
- Mary Schnackenberg
- Paul Schnackenberg
- Richard Schnackenberg
- Roy Schnackenberg
- Ruthann Schnackenberg
- Ryan Schnackenberg
- S Schnackenberg
- Schneider Schnackenberg
- Shirley Schnackenberg
- Susan Schnackenberg
- Virginia Schnackenberg
- Wilfred Schnackenberg
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