The International Webcasting Association (IWA) is a world wide nonprofit trade organization dedicated to the advancement of webcasting and streaming media. The IWA serves as the meeting place for companies active or interested in the delivery of multimedia services to individual or business customers via the Internet or other networks. Membership includes content companies, virtual webcasters, companies that webcast for internal corporate purposes, technology companies, content aggregators and service bureaus.

IWA serves its membership by providing a community for members to achieve their goals through information, networking, and education, along with public relations support and advocacy on legislative issues that promote and protect the interests of webcasters around the world.