Edgar Hilary Rossbach (August 20, 1903 — November 11, 1952) was an American lawyer who served as U.S. Attorney for the District of New Jersey from 1945 to 1948.
He was admitted to the New Jersey bar in 1935 and joined his father's law practice.
He was promoted to U.S. Attorney in September 1945 following the resignation of Thorn Lord.
Among the figures prosecuted during Rossbach's tenure were labor leader Joseph S. Fay, charged with income tax evasion, and former New Jersey Attorney General Walter D. Van Riper, charged in a check kiting scheme.
He died in 1952 at the age of 49 at Saint Barnabas Hospital in Newark after a major operation.