The purpose of this study was to examine the correlation between vocabulary knowledge and reading comprehension among 12th-grade students at MAN 1 Pidie Jaya. A quantitative approach was employed, and data were collected using vocabulary and reading comprehension tests. The population comprised 12th-grade students at MAN 1 Pidie Jaya, while the sample consisted of 20 students from class XII-2, selected through cluster random sampling. Vocabulary knowledge and reading comprehension were assessed using tests, and data analysis was performed with Pearson's Product-Moment Correlation. The results indicated a positive but weak correlation between vocabulary knowledge and reading comprehension, with a correlation coefficient of 0.116, falling within the 0.00–0.199 interval.