Denmark competed at the 1968 Summer Olympics in Mexico City, Mexico. 64 competitors, 60 men and 4 women, took part in 53 events in 11 sports.^[1]

• Gunnar Asmussen, Per Lyngemark, Reno Olsen and Mogens Jensen — Cycling, Men's team pursuit

• Niels Fredborg — Cycling, Men's 1000 metre time trial
• Mogens Jensen — Cycling, Men's individual pursuit
• Leif Mortensen — Cycling, Men's individual road race
• Aage Birch, Poul Richard Høj Jensen and Niels Markussen — Sailing, Men's Dragon class

• Erik Hansen — Canoeing, Men's K-1 1000 metres
• Peter Christiansen and Ib Ivan Larsen — Rowing, Men's coxless pair
• Harry Jørgensen, Jørn Krab and Preben Krab — Rowing, Men's coxed pair

Thirteen cyclists represented Denmark in 1968.

Individual road race

• Leif Mortensen
• Ole Højlund Pedersen
• Jørgen Emil Hansen
• Svend Erik Bjerg

Team time trial

• Verner Blaudzun
• Jørgen Emil Hansen
• Ole Højlund Pedersen
• Leif Mortensen

Sprint

• Niels Fredborg
• Peder Pedersen

1000m time trial

• Niels Fredborg

Tandem

• Per Sarto Jørgensen
• Jørgen Jensen

Individual pursuit

• Mogens Frey Jensen

Team pursuit

• Gunnar Asmussen
• Reno Olsen
• Mogens Frey Jensen
• Per Lyngemark
• Peder Pedersen

One male pentathlete represented Denmark in 1968.

Men's Individual Competition:

• Jørn Steffensen – 4545 points (13th place)

Open

Athlete	Event	Race							Net points	Final rank
		1	2	3	4	5	6	7
Henning Wind	Finn	9	18	10	15	23	18	19	125	18
Hans Fogh Niels Jensen Poul Richard Høj Jensen	Flying Dutchman	6	12	DSQ	7	12	11	DNF	113.7	16
Paul Elvstrøm Poul Mik-Meye	Star	3	6	10	7	5	1	5	50.4	4
Aage Birch Paul Lindemark Jørgensen Niels Markussen	Dragon	6	1	2	10	3	2	2	26.4
William Berntsen Erik Johansen Christian Hansen	5.5 Metre	8	11	13	8	13	14	12	101	13

Six shooters, all men, represented Denmark in 1968.

50 m pistol

• Jørgen Gabrielsen
• Niels Dahl

50 m rifle, three positions

• Ole Hviid Jensen
• Per Weichel

50 m rifle, prone

• Ole Hviid Jensen
• Per Weichel

Skeet

• Ernst Pedersen
• Benny Jensen