List of Famous people named Denis

Denis O'Donovan is an Irish Fianna Fáil politician who served as a Senator for the Agricultural Panel since April 2011. He previously served as Cathaoirleach of Seanad Éireann from 2016 to 2020 and Leas-Chathaoirleach of Seanad Éireann from 2011 to 2016. He served as a Teachta Dála (TD) for the Cork South-West constituency from 2002 to 2007.

Denis Grondin is a Canadian Roman Catholic prelate.

Denis Valerevich Grachev is a Russian badminton player. He educated in the School of Arts, Culture and Sports at the Far Eastern Federal University, and was a champion of the 2014 National University Championships in the men's singles and doubles events. Grachev was part of the Russian national team that won the bronze medal at the 2020 European Men's Team Championships.

Denis Constantin is a former Mauritian badminton player, and later represented Australia. He was the men's singles gold medallist at the 2000 African Championships, and in the men's doubles event partnered with Eddy Clarisse. He then defend the men's doubles gold in 2002 partnered with Stephan Beeharry. Constantin competed for Mauritius at the 1998, and 2002 Commonwealth Games, also at the 2000 Summer Olympics. He was awarded Athlete of the Month by the Mauritius Sports Council in June 2001. Constantin graduated from the La Trobe University in Melbourne, and now work as physiotherapists.

Denis George Browne is the Emeritus Bishop of Hamilton, New Zealand. He was Ordinary of the Catholic Diocese of Hamilton from 1994 to 2014. Previously, he was Bishop of Cook Islands and Niue (1977–1983) and then became the tenth Catholic Bishop of Auckland (1983–1994).

Denis Roux is a former French cyclist.

Denis Leproux is a French former racing cyclist. He rode in the 1998 Tour de France, where he finished 39th overall.