威廉·斯泰格 （/ˈstiːɡ/;1907 年 11 月 14 日 - 2003 年 10 月 3 日）是一位美国漫画家、插画家和儿童读物作家，以图画书《怪物史莱克》而闻名，该书启发了同名电影系列，以及其他包括西尔维斯特和魔法卵石、亚伯岛和德索托博士。1982年，他作为儿童读物插画家和1988年作家，两次获得两年一度的安徒生国际奖的美国提名。

William Steig (/ˈstiːɡ/; November 14, 1907 – October 3, 2003) was an American cartoonist, illustrator and writer of children's books, best known for the picture book Shrek!, which inspired the film series of the same name, as well as others that included Sylvester and the Magic Pebble, Abel's Island, and Doctor De Soto. He was the U.S. nominee for both of the biennial, international Hans Christian Andersen Awards, as a children's book illustrator in 1982 and a writer in 1988.