Sir Jehangir Cowasji Jehangir Readymoney, 1st Baronet, KCIE (8 June 1853 – 26 July 1934) was a prominent member of the Bombay (today Mumbai) Parsi community. He was the nephew and heir to the childless Sir Cowasji Jehangir Readymoney (1812-1878).
Jehangir Cowasji Jehangir Readymoney was knighted in 1895 and created baronet in 1908. He was succeeded by Sir Cowasji Jehangir Readymoney, 2nd Bt. (1879 - 1962), who however dropped the 'Readymoney' sobriquet.