Alfred James Lechner, Jr. (born 1948) is a former United States federal judge.
Born in Elizabeth, New Jersey, Lechner was a Lieutenant Colonel in the U.S. Marine Corps, and received a B.S. from Xavier University in 1969 and a J.D. from Notre Dame Law School in 1972. He was in private practice in New York City from 1972 to 1975, and in Elizabeth, New Jersey from 1975 to 1984, serving as a special counsel to the Elizabeth, New Jersey Department of Law from 1975 to 1976. He was a judge on the New Jersey Superior Court from 1984 to 1986.
On April 8, 1986, Lechner was nominated by President Ronald Reagan to a seat on the United States District Court for the District of New Jersey vacated by Frederick B. Lacey. Lechner was confirmed by the United States Senate on June 6, 1986, and received his commission on June 9, 1986. Lechner served in that capacity until October 1, 2001, when he resigned.