Ben C. Larkin (May 13, 1873 – November 22, 1949) was a North Dakota Republican Party politician who served as a North Dakota Public Service Commissioner from 1941 to his death in 1949.

He came to North Dakota in 1891, and worked on farms while he attended school.

He graduated from the Commercial Department at Fargo College, and then managed a lumber yard for eight years.

[1] He was appointed as the Chief Elevator Accountant for the North Dakota Railroad Commission in 1925, and served in that capacity until 1928.

He then was appointed by Governor Arthur G. Sorlie to the Railroad Commission in 1928 after the resignation of Frank Milhollan.