Charles William "Charlie" Bachman III (December 11, 1924 – July 13, 2017) was an American computer scientist. He spent his entire career as an industrial researcher, developer, and manager rather than in academia. He is particularly known for his work in the early development of database management systems. The Bachman diagrams are named after him. He won the Turing Award in 1973.
Bachman died on July 13, 2017 at his home in Lexington, Massachusetts of Parkinson's disease at the age of 92.