The present document is a constituent of the project’s Cities2030 work package number three (WP-3), and the result of information e.g., key findings and learnings gathered throughout the implementation of the WP-3 tasks. The present work proposes to use the concept of “taxonomy” to organise key components of urban food systems, framed in the project Cities2030 as cities and regions food systems (CRFS). The main aim of the present ‘CRFS taxonomy compendium’ (CTC) is to synthesize the ideas and tools which support knowledge augmentation on CRFS.