The role of education can prepare students through learning activities in conducting guidance, teaching, and training based on the character and competence of students. Student learning styles are very important to know so that a teacher can understand the characteristics of each individual. This study aims to determine (1) the effect of learning styles on cognitive learning outcomes of class X IPA students of SMA Negeri 1 Manokwari on the subject of Chemical Bonds, (2) the relationship between learning styles and cognitive learning outcomes of class X IPA students of SMA Negeri 1 Manokwari in the main discussion of Chemical Bonds. The subjects of this study were students of class X IPA 1 to X IPA 4 at SMA Negeri 1 Manokwari in the academis year 2019/2020 who were taken by purposive sampling technique. The data analysis of this study used a simple linear regression test and a correlation tests using SPPS 21. The result showed that: (1) there is a significant effect between learning styles on cognitive learning outcomes of class X IPA students in SMA Negeri 1 Manokwari on the subject of chemical bonds based on the level of sig 0,00 < 0,05, (2) there is significant relationship between learning styles on cognitive learning outcomes of class X IPA students in SMA Negeri 1 Manokwari on the subject of chemical bonds based on the level of sig 0,00 < 0,05.