Cowasji is a given name. Notable people with the name include:
Cowasji Jehangir (1879–1962), Indian baronet Cowasji Jehangir Readymoney (1812–1878), Indian community leader Framji Cowasji Banaji (1767–1851), Indian merchant Dhunbai Cowasji Jehangir (1860–1940), Indian philanthropist Jehangir Cowasji Jehangir Readymoney (1853–1934), Indian baronet