This study aims to examine and analyze in depth the influence of internal communication and work motivation on employee performance at the Regional Airport Authority Office V Makassar. Internal communication is considered a crucial factor in ensuring effective work coordination, while work motivation serves as the primary driver of employees’ enthusiasm and productivity. This research employs a descriptive quantitative method with a survey approach. Primary data were collected through questionnaires distributed to 116 respondents, determined using the Slovin formula from the total population. The research instruments were tested for validity and reliability, and all data passed the classical assumption tests, including normality, multicollinearity, and heteroscedasticity, to ensure the accuracy of the analysis model. Data were analyzed using multiple linear regression with the aid of SPSS. The results revealed that internal communication has a positive and significant effect on employee performance, indicating that better internal communication leads to higher employee performance. Work motivation also has a positive and significant effect, confirming that highly motivated employees tend to be more productive and effective in their tasks. Furthermore, internal communication and work motivation simultaneously contribute significantly to improving employee performance, as shown by an F-value greater than the F-table and a significance level below 0.05. These findings highlight the importance of effective internal communication and strong work motivation in achieving optimal employee performance, providing strategic insights for management to enhance productivity, efficiency, and the overall quality of organizational services.