Edward Joseph McManus (February 9, 1920 – March 20, 2017) served as the Lieutenant Governor of Iowa and served as a United States district judge of the United States District Court for the Northern District of Iowa for over 50 years.

He was the Democratic nominee for Governor of Iowa in 1960, losing to Norman A. Erbe in November 1960.

[1] McManus was nominated by President John F. Kennedy on June 23, 1962 to a seat on the United States District Court for the Northern District of Iowa vacated when Judge Henry N. Graven assumed senior status.

[1] No federal district court judge in Iowa history served for a longer period on the bench than McManus.

He died at the age of 97 on March 20, 2017, in Cedar Rapids;[2] at the time of his death, McManus was the longest serving living federal judge.