This document discusses lean data lineage and how it can help organizations get more value from their data. It describes using lean data management principles and tools to analyze, benchmark, and deliver data lineage. Applying techniques like iterative development, prototyping, cross-functional teams, and actionable metrics can help organizations more efficiently discover data sources, build data models and documentation, measure results, and continually learn and improve their data lineage. This lean approach aims to provide outcomes like increased efficiency, clarity into how data moves through an organization, and more timely insights from data.