Byron Berry Harlan (October 22, 1886 – November 11, 1949) was an American attorney, prosecutor, jurist and member of the United States House of Representatives from Ohio.

About 1914, Byron Berry Harlan married Sada B. Shaw (1887–1952) who was born in Canada and came to the United States when she was three years old.

He had gone to the Gem City Democratic Club in Dayton several times, carrying bombs intended for Harlan.

New Deal student aid programs led to the expanded role government would play in American higher education after World War II.

Taking issue with suggestions for a constitutional amendment to address the intransigence of the existing court, Mr. Harlan said such a course might delay essential legislation fifteen years.

He took to the floor of the House to speak: "Packing the courts is a convenient phrase to crystallize prejudice and escape the necessity of thought," Mr. Harlan said.

"What chance is there against this opposition of all the organized selfishness in this country to pass through an amendment to protect the hours and working conditions of adult laborers?

"Harlan went to the airwaves to talk about the judiciary program, appearing frequently on the national radio networks of the time.

Byron Berry Harlan died of a heart attack in 1949 while on a visit to his two sons in Cogan House, Pennsylvania.