D
- Damian Mills (1979–2003), Canadian cricketer
- Darby Mills, Canadian singer
- Darius Ogden Mills (1825–1910), American banker and philanthropist
- Danny Mills (born 1977), British footballer
- David Mills, multiple people including:
- David J. Mills, English sculptor and songwriter, also known as Gyp Mills
- David L. Mills, American professor and software engineer
- David Mills (Canadian politician), Canadian politician, author, poet and jurist
- David Mills (lawyer), British lawyer, husband of politician Tessa Jowell
- David Mills (author), writer of the atheist book Atheist Universe: Why God Didn't Have A Thing To Do With It
- David Mills (writer) (1961–2010), American screenwriter and television producer
- Dennis Mills (born 1946), Canadian businessman and politician
- Derek Mills, American Olympic runner
- Dick Mills, British sound engineer and electronic composer
- Donna Mills (born 1940), American actress
- Dizzee Rascal, British musician - real name Dylan Mills
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