List of Famous people named Denis

Joseph Denis Irwin is an Irish former professional footballer who played as a left back from 1983 to 2004.

Denis Patrick Seamus O'Hare is an American actor, singer, and author noted for his award-winning performances in the plays Take Me Out and Sweet Charity, as well as portraying vampire king Russell Edgington on HBO's fantasy series True Blood. He is also known for his supporting roles in such films as Charlie Wilson's War, Milk, Changeling, and Dallas Buyers Club. In 2011, he starred as Larry Harvey in the first season of the FX anthology series American Horror Story, for which he was nominated for a Primetime Emmy Award for Outstanding Supporting Actor in a Miniseries or a Movie in 2012. He returned to the show in 2013, playing Spalding in American Horror Story: Coven and once more as Stanley in American Horror Story: Freak Show, the latter for which he earned a second Primetime Emmy Award nomination. For his performance in American Horror Story: Hotel as Liz Taylor, O'Hare received critical acclaim.

Denis Olegovich Istomin is an Uzbek professional tennis player born in Russia. He has won two singles titles and achieved a career-high singles ranking of world No. 33 in August 2012. In January 2017, he defeated defending champion Novak Djokovic in the second round of the Australian Open.

Denis Aleksandrovich Lebedev is a Russian former professional boxer who competed between 2001 and 2019. He is a former unified cruiserweight world champion, having held the WBA title from 2012 to 2018, and the IBF title in 2016, and challenged once for the WBO title in 2010.

Denis Richard McDonough is an American political and national security advisor. He was the 26th White House chief of staff, succeeding Jack Lew at the start of President Barack Obama's second term, and serving in that role throughout that term.

Denis Valentinovich Berezovsky is a rear admiral and the Russian Black Sea Fleet deputy commander. He is also a former commander of the Ukrainian Navy. He was appointed commander-in-chief of the Ukrainian Navy by Interim President Oleksandr Turchynov on 1 March 2014, after the acting commander of the Ukrainian Navy Sergei Yeliseyev defected to Russia the same day. After serving for just one day, on 2 March, he defected to the self-declared pro-Russian separatist Crimean government during the 2014 Crimean crisis. On 24 March 2014, the Defense Minister of Russia Sergei Shoigu appointed Berezovsky as the Russian Black Sea Fleet deputy commander. On 5 March 2014, the Office of the General Prosecutor of Ukraine issued an order to detain Berezovsky on suspicion of treason.

Denis Coderre is a Canadian politician from Quebec. Coderre was the Member of Parliament for the riding of Bourassa from 1997 until 2013, and was the Immigration minister from 2002-2003 and became the Mayor of Montreal in 2013, but lost in 2017 to Valérie Plante. He has been an administrator of Eurostar since 2018 and as Special advisor for the FIA since 2019.

Denis Kudla is an American professional tennis player of Ukrainian descent.

Denis Podalydès is a French actor and scriptwriter of Greek descent. Podalydès has appeared in 80 films since 1989. He starred in The Officers' Ward, which was entered into the 2001 Cannes Film Festival.

Denis Vladimirovich Pushilin is the former Chairman of the People's Council of the self-declared Donetsk People's Republic (2015–2018), and therefore, under the draft Constitution adopted in May 2014, the self-declared republic's head of state. On 7 September 2018, Pushilin was appointed acting Head of the DPR; a position which he held until elections on 11 November 2018.