Belter Creole is a constructed language primarily spoken by the inhabitants of the asteroid belt in the science fiction series, The Expanse. It is a blend of various languages, including English, Spanish, and other influences, reflecting the diverse backgrounds of its speakers. The language features a simplified grammar and vocabulary, making it accessible for communication among people from different cultures. Belter Creole serves as a cultural identifier for the Belters, emphasizing their unique identity and experiences in the harsh environment of space.