Arthur Byron Jenks (October 15, 1866 – December 14, 1947) was a U.S. Representative from New Hampshire.
Born in West Dennis, Massachusetts, Jenks attended public schools. He was employed as a shoe worker in 1881. He engaged in the shoe manufacturing business at Manchester, New Hampshire from 1902 to 1930. He also became engaged in the banking business in 1917 in Manchester.
He was an unsuccessful candidate for election in 1934 to the Seventy-fourth Congress. He served as delegate to the Republican National Conventions in 1936 and 1940. He was served as a Republican in the Seventy-fifth Congress from January 3, 1937, until June 9, 1938, when he was succeeded by Alphonse Roy, who contested his election.
Jenks was elected as a Republican to the Seventy-sixth and Seventy-seventh Congresses (January 3, 1939-January 3, 1943). He was an unsuccessful candidate for renomination in 1942.
He resumed the banking business in Manchester until his death there on December 14, 1947. He was interred in Pine Grove Cemetery.