This study aims to determine the determinants of Market Share Sharia Commercial Bank 2013-2017 period. This study uses Independent Variables ROA, CAR, BOPO, FDR, NPF, Number of Offices and Number of Employees. Dependent Variables This research uses Market Share. Type of quantitative research, sampling technique using the entire population of secondary data sourced from the official publication of OJK obtained all monthly data there are 60 data of Sharia Commercial Bank as sample research period 2013-2017. The results showed that: ROA, CAR, BOPO, NPF, and Number of Employees have no significant effect to Market Share of Sharia Commercial Bank during 2013-2017 period, while FDR and Number of Offices showed significant negative effect to Market Share of Sharia Commercial Bank in 2013-2017