William Renwick

William or Bill Renwick may refer to:
 * Bill Renwick (1929–2013), New Zealand educationalist
 * William Renwick (politician) (1915–1981), member of the Pennsylvania House of Representatives
 * William Lindsay Renwick (1889–1970), professor of English Literature
 * William Renwick (rugby union) (1914–1944), Scottish rugby union player
 * William Renwick (surgeon), English naval surgeon and author