Sir John Mills, CBE (born Lewis Ernest Watts Mills, 22 February 1908 – 23 April 2005) was an English actor who appeared in more than 120 films in a career spanning seven decades. On screen, he often played people who are not at all exceptional, but become heroes because of their common sense, generosity and good judgment. He received an Academy Award for Best Supporting Actor for his work in Ryan's Daughter (1970).
He is also known as Sir John Mills.
In the years leading up to his death, he appeared on television only on special occasions, his sight having failed almost completely in 1992. After that, his film roles were brief cameos.
He died aged 97 on 23 April 2005 in Denham, Buckinghamshire, following a chest infection. His wife died on 1 December 2005. They are buried in Denham Churchyard.