William Boyd III

William Boyd III (born 1968 or 1969) is an American politician who has served as a member of the New Hampshire House of Representatives since 2021, representing Hillsborough County's 21st district, which contains the town of Merrimack. A member of the Republican Party, Boyd ran in an April 2021 special election to succeed Dick Hinch, who died of COVID-19 in December 2020. Boyd defeated the Democratic nominee, former state representative Wendy E.N. Thomas, by a margin of 2,531 votes to 2,144. Boyd's campaign was assisted by Mike Pompeo, a former United States secretary of state, and Tom Cotton, a United States senator from Arkansas.

Boyd previously served on the Merrimack Town Council and the New Hampshire Drinking and Groundwater Advisory Commission.