William Cook (born August 12, 1945) is an American politician. A member of the Republican Party, he served as member of the North Carolina General Assembly from 2011 to 2019. Cook graduated from the University of Maryland in 1970 with a Bachelor of Science degree in business administration, with a concentration in economics. After graduation, he was offered an analyst position with Potomac Electric Power Company, where he worked for 34 years. In 2017, Cook announced that he would not seek reelection. In 2018, Cook was listed as a Champion of the Family by the NC Values Coalition.