The ML Family Workshop is an annual workshop organized in affiliation with the International Conference on Functional Programming (ICFP). The workshop is sponsored by the Association for Computing Machinery (ACM) under the aegis of the ACM Special Interest Group on Programming Languages (SIGPLAN).

ML is a family of programming languages that includes dialects known as Standard ML, OCaml, and F#. The development of these languages has inspired a large amount of computer science research, both practical and theoretical. The ML Family Workshop provides a forum for discussion and research on ML and related technology. The scope of the workshop includes all aspects of the design, semantics, theory, application, implementation, and teaching of members of the ML family.