A stakeholder is a party with a vested interest in an enterprise; stakeholders in a corporation include investors, employees, customers, lenders, and suppliers. A stakeholder is anyone impacted or interested in a project or a business venture. Learn how to identify, analyze, prioritize and engage stakeholders with free templates and tips. Stakeholders are people or groups with an interest in the success of a business or project. Learn about the types of stakeholders and their roles.