Popplewell is a surname. People with this surname include:
Andrew Popplewell (born 1959), judge of the High Court of England and Wales
Anna Popplewell (born 1988), English actress
Cicely M. Popplewell Early computer programmer in Manchester who worked with Alan Turing
Dan Popplewell, English musician, co-founder of Ooberman
Don Popplewell (born c. 1949), American football player
Ernest Popplewell, Baron Popplewell (1899–1977), British politician
Fred Popplewell, Australian golfer and winner of the Australian Open
Jack Popplewell (1911–1996), English writer and playwright
Lulu Popplewell (born 1991) English actress
Martin Popplewell, British newsreader
Nick Popplewell (born 1964), Irish rugby union player
Nigel Popplewell (born 1957), English cricketer
Sir Oliver Popplewell (born 1927), British judge
Paul Popplewell (born 1977), English actor
Richard Popplewell (born 1935), English organist and composer