The Weiler Foundation is a private charitable foundation based in Knoxville, Iowa, established in 2009. It is associated with Weiler, a manufacturing company known for producing asphalt paving equipment and road maintenance machinery. The foundation supports charitable initiatives that contribute to the well-being and development of communities, particularly in Iowa. Through financial grants and philanthropic partnerships, it helps organizations address local needs, strengthen essential services and expand opportunities for residents. Its giving reflects a commitment to community development and supporting institutions that make a meaningful difference in people's lives.

The foundation provides funding to nonprofit organizations, educational institutions, healthcare providers and community initiatives. Its charitable support has included assistance for Knoxville Hospital & Clinics Foundation, local public schools, the Knoxville Public Library and other organizations serving communities in Iowa. Its grantmaking priorities include general organizational support, scholarships, education, healthcare and community development projects. The foundation has also supported local fundraising campaigns, youth activities and initiatives addressing social needs. Through these contributions, the Weiler Foundation helps strengthen community services, expand educational opportunities and improve access to healthcare and other essential resources. Its philanthropic activities demonstrate the role of corporate-associated foundations in supporting local organizations and promoting long-term community well-being.