People with the last name Willemssen in South Dakota
- Angie Willemssen
- Arnold Willemssen
- Calvin Willemssen
- Carrie Willemssen
- Cathy Willemssen
- Chad Willemssen
- Deb Willemssen
- Debra Willemssen
- Douglas Willemssen
- Gertrude Willemssen
- Grace Willemssen
- Heather Willemssen
- Judy Willemssen
- Karla Willemssen
- Kelli Willemssen
- Ken Willemssen
- Kenneth Willemssen
- Laura Willemssen
- Lynne Willemssen
- Mark Willemssen
- Marvin Willemssen
- Mike Willemssen
- Mildred Willemssen
- Nancy Willemssen
- Randy Willemssen
- Ray Willemssen
- Richard Willemssen
- Rick Willemssen
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