Leslie Roy Mills CNZM MBE JP (born 1 November 1934) is a New Zealand retired track and field athlete, businessman, and politician.

His personal best for the shot put was a New Zealand national record for 44 years, until 16-year-old Jacko Gill broke it on 23 April 2011 with a throw of 20.01 m.[6] Mills served as the Mayor of Auckland City between 1990 and 1998.

Mills was defeated in a three-way contest against businessman Richard Holden and eventual winner Christine Fletcher in 1998.

Mills himself was absent for most of the election campaign, leading the New Zealand team at the 1998 Commonwealth Games, and mentoring the gold medal-winning discus thrower Beatrice Faumuina.

[8] In the 2002 Queen's Birthday and Golden Jubilee Honours, he was made a Companion of the New Zealand Order of Merit, for services to local government and sport.