“Sustainability accounting” has become a term used with greater frequency at academic conferences and in corporate practice. However, review of the literature reveals a blurred picture of what is covered by this and related terms, such as “sustainability management accounting” and “sustainability financial accounting”. Virtually no definitions of sustainability accounting exist, not even in papers with the term in their titles. Also, in the context of discussions about the related notion of sustainability reporting, sustainability accounting has, in the main, not been conceptualized. At best a vague description can be found of what is expected from sustainability accounting.