The 2005 Denmark Open in badminton was held in Aarhus, Denmark, from October 18 to October 23, 2005.

• Aarhus Atletion, The Arena

	Quarterfinals							Semifinals							Finals
		Eric Pang	6	15	5
		Niels Christian Kaldau	15	11	15
									Niels Christian Kaldau	5	2
									Muhd Hafiz Hashim	15	15
		Muhd Hafiz Hashim	11	15	15
		Chetan Anand	15	10	9
																Muhd Hafiz Hashim	14	8
																Lee Chong Wei	17	15
		Wong Choong Hann	15	3	15
		Chen Jin	13	15	13
									Wong Choong Hann	14	4
									Lee Chong Wei	17	15
		Dicky Palyama	12	0
		Lee Chong Wei	15	15

Category	Winners	Runners-up	Score
Women's singles	Pi Hongyan	Xu Huaiwen	7–11, 11–4, 11–5
Men's doubles	Chan Chong Ming & Koo Kien Keat	Lars Paaske & Jonas Rasmussen	15–6, 15–7
Women's doubles	Kumiko Ogura & Reiko Shiota	Gail Emms & Donna Kellogg	15–6, 15–9
Mixed doubles	Thomas Laybourn & Kamilla Rytter Juhl	Lars Paaske & Helle Nielsen	15–8, 15–9

• 2005 Results