This research aims to analyze the effect of Corporate Social Responsibility (CSR) disclosure on stock returns on mining sector companies, especially coal mines listed on the Indonesia Stock Exchange in 2023. Research uses a quantitative approach to the type of documentation research. Research uses secondary data collected from annual financial statements, corporate sustainability reports, and websites that present published CSR disclosures. The sample in the study consisted of 10 coal sector mining companies listed on the Indonesia Stock Exchange which were selected based on certain criteria using purposive sampling. Hypothesis testing using multiple regression analysis. The independent variable on research is CSR disclosure calculated using CSR index based on the Global Reporting Initiative (GRI) assessment standards found in the Company's financial statements. The dependent variable in the study was stock return. This study found that CSR disclosures had no significant effect on stock returns. This can be affected by several factors and certain conditions that cause no effect on CSR disclosure on stock returns.