This study aims to describe students' achievement in speaking proficiency, explain the studentsˈ view on using TikTok application in speaking proficiency, and analyze the significant influence of the TikTok application on students' speaking proficiency. This research used qualitative and quantitative methods and a correlation study research design. The sample was of the fifth-semester students of the English Language Education Department in the academic year of 2023/2024 of UIN Walisongo who use and own the TikTok application. The data collection techniques used observation, questionnaires, and speaking tests. The data analysis techniques item analysis and test assumption methods. The results of the research data analysis show that the correlation value between the use TikTok application and students' speaking proficiency is 0.503. This can be interpreted that TikTok users who spend more time using TikTok are likely to have high speaking proficiency. Furthermore, the significant level of the coefficient can be seen in the table which has a sig value. (2-tailed) between the use of TikTok application (X) and students' speaking proficiency (Y) is 0.001˂0.05, which means there is a significant correlation between the use TikTok application and students' speaking proficiency variables. It can be concluded that the hypothesis can be accepted. Based on the results of data analysis the conclusion is the use of the TikTok application has a significant influence on TikTok students speaking proficiency with a value of 0.001˂0.05. In addition, the use of TikTok application and students speaking proficiency have a strong influence and a positive influence direction with a correlation value of 0.503. Meaning, that the spend more time students spend using the TikTok application to learn, the higher their speaking proficiency will be the researcher concluded that the significant influence of using the TikTok application on students' speaking proficiency is effective and can be used as another method for learning.