Donald Horowitz (born November 18, 1936) is an American lawyer who served as the Acting United States Attorney for the District of New Jersey in 1969.
He served as law clerk to Milton B. Conford (New Jersey Superior Court Appellate Division) from 1961 to 1962.
In 1969 he was Acting U.S. Attorney until the appointment of Frederick B. Lacey by President Richard Nixon.
[1] From 1969 to 1970 he served as Special Deputy Attorney General of New Jersey.
From 1989 to 1998 Horowitz was Master of the Justice Morris Pashman American Inns of Court.