Otto Kerner (February 22, 1884 – December 13, 1952) was the attorney general of Illinois and a United States circuit judge of the United States Court of Appeals for the Seventh Circuit.

[2][3][4] Kerner received a Bachelor of Laws from Lake Forest College in 1905.

[6] From 1915 to 1927, Kerner was a master in chancery of the Circuit Court of Cook County, Illinois.

[8] As a result of Kerner's opinion, local breweries in Chicago announced that ales, stouts, and porters as strong as 4 and 5 percent would be placed on sale.

[8] Kerner received a recess appointment from President Franklin D. Roosevelt on November 21, 1938, to the United States Court of Appeals for the Seventh Circuit, to a new seat authorized by 52 Stat.