There are four main types of essays, which include: 1. Argumentative essays - These have a strong opinion and use evidence to back that opinion. 2. Expository essays - These essays show a writer's knowledge of a topic and ability to communicate information clearly. 3. Narrative essays - These essays tell a story, typically from a personal experience. 4. Descriptive essays - These essays talk about an object or a process using descriptive, creative language.