John Santiago is a common name that may refer to various individuals. One notable person is a politician from the state of Washington, known for his work in local government and community service. He has been involved in various initiatives aimed at improving public health and education. In addition to political figures, John Santiago can also refer to professionals in different fields, such as medicine or sports. Each individual with this name may have unique contributions and achievements, making it important to specify the context when discussing a particular John Santiago.