This study examined the effects of inspirational motivation (IM) behavior on public sector performance (PSP) in Tanzania. Quantitative research methods were employed using survey design to obtain 360 respondents out of 4337. Multi stage sampling technique involved in selecting public sector organization in Tanzania, whereby each zone represented by one public sector. Data analysis was done quantitatively using structural equation modeling. Findings revealed that inspirational motivation were found with insignificant effects on public sector performance. The study concludes that other factors which hinder the effectiveness of inspirational motivation should be traced and resolved to promote good services delivery to the people.