Harrison Arlington "Pete" Williams Jr. was an American politician and lawyer. He was a Democrat who represented New Jersey in the United States House of Representatives (1953–1957) and the United States Senate (1959–1982). Williams was convicted on May 1, 1981, for taking bribes in the Abscam sting operation, and resigned from the U.S. Senate in 1982 before a planned expulsion vote.

The 1958 United States Senate elections were elections for the United States Senate which occurred in the middle of President Dwight D. Eisenhower's second term. Thirty-two seats of Class 1 were contested in regular elections, the new state of Alaska held its first Senate elections for its Class 2 and 3 seats, and two special elections were held to fill vacancies.