Odoo has many different view types to visualize data, including list, form, kanban, calendar, and graph views. List views display records in a table, and clicking a record opens the associated form view. Form views are used to create and edit single records, and are defined using XML tags like <form>. Calendar views display records as events over days, weeks or months. Graph views provide graphical representations of data through bar, pie, and line charts. Each view type has a specific purpose and functionality to represent data in Odoo.