Syedna Ismail Badruddin (II) Bin Syedi Sheikh Adam (died on 7 Moharram 1150 H/1738 AD in Jamnagar, India) was the 38th Dā'ī of the Dawoodi Bohras.
He succeeded the 37th Da'i Syedna Noor Mohammad Nooruddin to the religious post.
He was born in Udaipur in 1686 during the tenure of Syedna Abduttayyeb Zakiuddin II.
His father Syedi Sheikh Adam Safiyuddin, brother of Syedna Musa Kalimuddin was a scholar and writer.
By his second marriage with Fatema AaiSaheba, he had two sons, Syedi AbdeMusa Kalimuddin and Syedna Abduttayyeb Zakiuddin III.