This research aimed to find out the correlation between students’ motivation in reading English textbooks and their achievement in reading comprehension. This research used correlation method and quantitative approach. The population of this research was all second semester students of English Language Teaching

Department of Teacher Training Faculty of Walisongo Islamic State Walisongo Semarang in the academic year 2016/2017. And the participants were 42 students. The instruments of this research were

questionnaire and test. The questionnaire was to measure students’ motivation in reading English textbooks, and the test was to measure their reading comprehension. First, the data was analyzed, to find out the mean in order to measure the quality of students’ motivation in reading English textbooks and students’ achievement in reading comprehension. Then, the data analyzed hypothetically using Pearson

product moment. From the analysis of the data, it showed the results that the quality of students’ motivation in reading English textbooks was medium with mean score 93,0476 in range 88-97, and the quality of students’ reading comprehension was medium as well, with mean score 64,167 in range 58-70. The result also showed that there was positive significant correlation between students’ motivation in

reading English textbooks and their achievement in reading comprehension, with