The aims of the research were: to find out how significant the correlation between students‟ reading strategies and their vocabulary competence. The sample of this research was 40 students of third semester at English Education Department of Muhammadiyah University of Purwokerto. The data was collected through questionnaire and vocabulary test. Questionnaire is a number of questions which are used to measure students‟ reading strategies, while test is sequence of questions which are used to measure students‟ vocabulary competence. The data was analyzed by using descriptive correlation study. After the data had been analyzed, it was found that there was a significant correlation between students‟ reading strategies and their vocabulary competence, in the meaning aspect there are noun, verb, adjective. It could be seen from the result of product moment computation where rxy obtained 0.341, the r table for N = 40 at the level of significant 5% was 0.308. Therefore the result of rxy was higher than r table. In conclusion, reading strategies and vocabulary competence were indicated positive correlation.