הרב משה יהושע יהודה לייב דיסקין היה רב ופוסק, מרבני ירושלים בסוף המאה ה-19. נחשב לאחד ממנהיגי הזרם הקנאי בישוב הישן.
Moshe Yehoshua Yehuda Leib Diskin (1818–1898), also known as the Maharil Diskin, was a leading rabbi, Talmudist, and Biblical commentator. He served as a rabbi in Łomża, Mezritch, Kovno, Shklov, Brisk, and, finally, Jerusalem, after moving to Eretz Yisrael in 1878. He opened what today is known as the Diskin Orphan Home in 1881.