• Monarch - Margrethe II^[1]
• Prime minister - Poul Nyrup Rasmussen

• 13 July–23 July – The 1997 Summer Deaflympics are held in Copenhagen.^[2]

Badminton

• 24 May – 1 June – Denmark wins one gold medal, one silver medal and two bronze medals at the 1997 IBF World Championships.
• Hvidovre BK wins the Europe Cup.

Cycling

• 6 April – Rolf Sørensen wins the Tour of Flanders classic road cycling race.
• 26 April – Bjarne Riis wins the 1997 Amstel Gold Race.
• 27 July – Bjarne Riis finishes as number 7 in the 1997 Tour de France.
• October – Rolf Sørensen finishes second in the Züri-Metzgete road cycling race.
• Jimmi Madsen (DEN) and Jens Veggerby (DEN) win the Six Days of Copenhagen six-day track cycling race.

Football

• 7 May – F.C. Copenhagen wins the 1996–97 Danish Cup by defeating Ikast FC 2–0 in the final.

Handball

• 14 December — Denmark wins gold at the 1997 World Women's Handball Championship in Germany by defeating Norway 33–20 in the final.

Swimming

• 18–24 – 1997 European Aquatics Championships
  • 19 August – Denmark wins a bronze medal in Women's 4 × 200 metre freestyle relay.
  • 22 August Mette Jacobsen wins a gold medal in Women's 100 metre butterfly
  • 24 August Mette Jacobsen wins a bronze medal in Women's 200 metre butterfly.

Other

• 8 March — Wilson Kipketer wins gold in Men's 800 metres at the 1997 IAAF World Indoor Championships in Paris, France.
• May — Mads Larsen becomes IBO super middleweight Champion after a fourth-round knockout win over American Shannon Landberg.
• 15 June — Tom Kristensen wins Le Mans for the first time as part of the Joest Racing team.
• August — Wilson Kipketer wins gold in Men's 800 metres at the 1997 World Championships in Athletics in Athens, Greece.
• 24 August — Wilson Kipketer sets his third world record in the men's 800 metres that year with the time 1:41.11.
• 6 September
  • Lars Michaelsen wins the first stage of the 1997 Vuelta a España and wears the leader's jersey for three days.
  • Hans Nielsen wins the 1987 Individual Speedway World Championship at the Olympic Stadium in Amsterdam.
• 12 October — Bo Hamburger wins silver in Men's road race at the 1997 UCI Road World Championships.

January–March edit

• 10 March – Emil Nielsen, handballer

April–June edit

• 27 April – Anders Antonsen, badminton player
• 20 May – Joakim Mæhle, footballer
• 28 May – Jacob Rasmussen, footballer

July–September edit

• 19 August – Mia Blichfeldt, badminton player

October–December edit

• 6 October – Kasper Dolberg, professional footballer
• 28 October – Justin Shaibu, professional footballer
• 5 December – Clara Rugaard, actress
• 9 December – Alexander Bah, professional footballer

January–March edit

• 23 January – Hardy Rafn, actor (born 1930)
• 3 March – Finn Høffding, composer (born 1899)
• 10 March – Johannes Theodor Suhr, Roman Catholic bishop (born 1896)
• 15 March – Svend Wiig Hansen, sculptor and painter (born 1927)

July–September edit

• 5 August – Poul Møller, politician (born 1919)

October–December edit

• 5 November – Niels Macholm, painter and graphic artist (born 1915)
• 17 December – Marie Gudme Leth (born 1895)

• 1997 in Danish television