The study aimed to establish how institutional human capacity affects performance in public procurement in tertiary institutions in West Nile sub-region of Uganda. A cross-sectional study design was used. Both quantitative and qualitative approaches were adopted in the study. This study targeted a sample of 122 respondents. Simple random sampling technique was used to select participants amongst user departments' staff. Purposive sampling was used to select the Accounting Officers and the Contracts Committee members. Quantitative data analysis mainly consisted of descriptive statistics (frequencies and percentages) and inferential statistics (Spearman Rank Order Correlation). Findings revealed a strong positive correlation ( = .611) between institutional human capacity and procurement performance. Thus, it was concluded that institutional human capacity measured in terms of professionalism and competence affected performance in public procurement in tertiary institutions in West Nile sub-region of Uganda. It is recommended that tertiary institutions in West Nile sub-region of Uganda should focus on institutional human capacity building to improve performance in public procurement in the tertiary institutions.