This research aims to determine the positive and significant influence of the Discovery Learning Model on Interest in Learning Christian Religious Education in Class XI Students of SMA Negeri 1 Simanindo Samosir Regency Academic Year 2022/2023. The method used in this research is quantitative descriptive inferential. The results of data analysis show that there is a positive and significant influence between the Discovery Learning Model on Interest in Learning Christian Religious Education in Class the calculated r value > r table is 0.641 > 0.297, thus it is known that there is a positive relationship between variables significant between variables X and Y. 2) Effect test obtained: a) Regression equation test Ŷ=11.15 + 0.65X. b) Test coefficient of determination (r²) = 41%. 3) Test the hypothesis using the F test to obtain F count > F table namely 34.83 > 1.42. Thus Ha is accepted and H0 is rejected.