William H. Zeliff Jr. (June 12, 1936 – October 18, 2021) was an American Republican politician from New Hampshire who was a member of the U.S. House of Representatives from 1991 to 1997.

Zeliff worked as a sales and marketing manager in the consumer products division of E. I. du Pont de Nemours and Company from 1959 to 1976 and was also an innkeeper and small business owner.

He ran unsuccessfully for the New Hampshire Senate in 1984 and was a delegate to the 1988 Republican National Convention which nominated George H. W. Bush for the presidency.

[citation needed] He was elected to the United States House of Representatives in 1990, took seat in 1991 and was reelected in 1992 and 1994.

[1] Zeliff lived in Jackson, New Hampshire and Venice, Florida, and worked as a private advocate.