In computer science, "Logo" can refer to two different things:

1. A programming language: Logo is a high-level programming language known for its graphics capabilities, created by Seymour Papert in 1967. It is a dialect of Lisp, a functional programming language, and is used for young school children as a basic method of programming instructions into a computer to create a graphic. Logo is interactive, modular, flexible, and extensible, and its features follow from its goal of being a tool for learning).

2. An image, emblem, or symbol used to represent something: A logo is a visual representation of a company, organization, product, or service. It is equivalent to a trademark and is used to recognize a public identification of a brand or company. A logo can be an abstract design or a symbol that represents a wordmark.

It is important to note that when people refer to "Logo" in the context of computer science, they are usually referring to the programming language.