Following is a list of all Article III United States federal judges appointed by President James Buchanan during his presidency.
[1] In total Buchanan appointed 8 Article III federal judges, including 1 Associate Justice to the Supreme Court of the United States, and 7 judges to the United States district courts.
Buchanan appointed no judges to the United States circuit courts during his time in office.
Buchanan appointed 2 judges to the United States Court of Claims, an Article I tribunal.