Instructional leadership plays an important role in improving teacher teaching performance. This is being reviewed through research by focusing on its application in elementary schools. The purpose of the research is to find out the magnitude of the influence of instructional leadership on teaching performance in elementary schools. This study uses descriptive quantitative methods. The data was taken by 17 public elementary schools located in Campaka District, Purwakarta Regency, with 53 teachers. The results showed that instructional leadership had a significant contribution on teaching performance. As a recommendation, that instructional leadership needs to be owned and implemented by all principals when wanting changes in teaching performance from teachers in the school.