The following is the list of number of competitors in the Games.^[2]

After two Olympiads without competing in archery, Denmark returned to the sport in 1988. Three men competed, placing 11th as a team and no higher than 23rd as individuals.

Men's Individual Competition:

• Henrik Toft — 1/8 final (→ 23rd place)
• Jan Jacobsen — Preliminary round (→ 25th place)
• Niels Gammelgaard — Preliminary round (→ 56th place)

Men's Team Competition:

• Toft, Jacobsen, and Gammelgaard — Semifinal (→ 11th place)

Men's 1,500 metres

• Mogens Guldberg

Men's Marathon

• Henrik Jørgensen
  • Final — 2:16.40 (→ 22nd place)

Men's 110 metres Hurdles

• Erik Jensen

Men's Decathlon

• Lars Warming — 7859 points (→ 19th place)

1. 100 metres — 11.07s
2. Long Jump — 7.04m
3. Shot Put — 13.41m
4. High Jump — 1.94m
5. 400 metres — 47.97s
6. 110m Hurdles — 14.49s
7. Discus Throw — 40.38m
8. Pole Vault — 4.80m
9. Javelin Throw — 51.50m
10. 1.500 metres — 4:22.41s

Women's Long Jump

• Lene Demsitz

Men's Flyweight (– 51 kg)

• Johnny Bredahl
  • First Round — Lost to Hamed Halbouni (SYR), RSC-2

Men's Light-Welterweight

• Søren Søndergaard

Men's Light-Middleweight

• Johnny de Lima

Men's Light-Heavyweight

• Niels Madsen

Men's Heavyweight

• Claus Børge Nielsen

Nine cyclists, eight men and one woman, represented Denmark in 1988. Dan Frost won gold in the points race.

Men's road race

• Tommy Nielsen
• Peter Meinert Nielsen

Men's 1 km time trial

• Kenneth Røpke

Men's individual pursuit

• Peter Clausen

Men's team pursuit

• Peter Clausen
• Dan Frost
• Jimmi Madsen
• Lars Olsen
• Ken Frost

Men's points race

• Dan Frost

Women's road race

• Karina Skibby — 2:00:52 (→ 42nd place)

One male pentathlete represented Denmark in 1988.

Men's Individual Competition:

• Tue Hellstem — 4940pts (→ 27th place)

Men's Team Competition:

• Hellstem — 4940pts (→ 21st place)

Men

Women

Open

Men's 50m Freestyle

• Vagn Høgholm
  • Heat — 23.50 (→ did not advance, 20th place)
• Peter Rohde
  • Heat — 23.70 (→ did not advance, 26th place)

Men's 100m Freestyle

• Franz Mortensen
  • Heat — 50.74
  • B-Final — 51.05 (→ 13th place)
• Peter Rohde
  • Heat — 51.38 (→ did not advance, 25th place)

Men's 200m Freestyle

• Franz Mortensen
  • Heat — 1:51.15
  • B-Final — 1:51.44 (→ 13th place)
• Jan Patvel Larsen
  • Heat — 1:53.61 (→ did not advance, 31st place)

Men's 400m Freestyle

• Claus Christensen
  • Heat — 4:00.46 (→ did not advance, 31st place)

Men's 100m Backstroke

• Lars Sørensen
  • Heat — 58.01 (→ did not advance, 21st place)

Men's 200m Backstroke

• Lars Sørensen
  • Heat — 2:05.73 (→ did not advance, 26th place)

Men's 100m Breaststroke

• Lars Sørensen
  • Heat — 1:06.30 (→ did not advance, 47th place)

Men's 200m Breaststroke

• Christian Toft
  • Heat — DSQ (→ did not advance, no ranking)

Men's 100m Butterfly

• Benny Nielsen
  • Heat — 54.52
  • B-Final — 54.77 (→ 11th place)

Men's 200m Butterfly

• Benny Nielsen
  • Heat — 1:59.26
  • Final — 1:58.24 (→   Silver Medal)
• Jan Patvel Larsen
  • Heat — 2:03.01 (→ did not advance, 23rd place)

Men's 4 × 100 m Freestyle Relay

• Franz Mortensen, Vagn Høgholm, Benny Nielsen, and Peter Rohde
  • Heat — 3:25.15 (→ did not advance, 10th place)

Men's 4 × 200 m Freestyle Relay

• Franz Mortensen, Claus Christensen, Jan Patvel Larsen, and Peter Rohde
  • Heat — 7:33.31 (→ did not advance, 11th place)

Men's 4 × 100 m Medley Relay

• Lars Sørensen, Christian Toft, Benny Nielsen, and Franz Mortensen
  • Heat — 3:51.97 (→ did not advance, 14th place)

Women's 50m Freestyle

• Gitta Jensen
  • Heat — 26.61 (→ did not advance, 20th place)

Women's 100m Freestyle

• Gitta Jensen
  • Heat — 57.28 (→ did not advance, 20th place)
  • B-Final — 57.02 (→ 13th place)
• Pia Sørensen
  • Heat — 57.82 (→ did not advance, 26th place)

Women's 200m Freestyle

• Mette Jacobsen
  • Heat — 2:01.80
  • B-Final — 2:01.84 (→ 11th place)
• Annette Jørgensen
  • Heat — 2:04.71 (→ did not advance, 24th place)

Women's 400m Freestyle

• Eva Mortensen
  • Heat — 4:18.06 (→ did not advance, 20th place)
• Pernille Jensen
  • Heat — 4:20.96 (→ did not advance, 26th place)

Women's 800m Freestyle

• Pernille Jensen
  • Heat — 8:50.82 (→ did not advance, 18th place)
• Eva Mortensen
  • Heat — 8:53.67 (→ did not advance, 22nd place)

Women's 200m Breaststroke

• Pia Sørensen
  • Heat — 2:38.49 (→ did not advance, 25th place)

Women's 200m Butterfly

• Mette Jacobsen
  • Heat — 2:15.78
  • B-Final — 2:15.60 (→ 13th place)

Women's 200m Individual Medley

• Annette Poulsen
  • Heat — 2:21.83 (→ did not advance, 20th place)

Women's 400m Individual Medley

• Annette Poulsen
  • Heat — 4:54.01
  • B-Final — 4:54.40 (→ 15th place)

Women's 4 × 100 m Freestyle Relay

• Mette Jacobsen, Gitta Jensen, Pia Sørensen, and Annette Jørgensen
  • Heat — 3:48.83
• Gitta Jensen, Pia Sørensen, Mette Jacobsen, and Annette Jørgensen
  • Final — 3:49.25 (→ 8th place)

Women's 4 × 100 m Medley Relay

• Mette Jacobsen, Pia Sørensen, Annette Jørgensen, and Gitta Jensen
  • Heat — DSQ (→ did not advance, no ranking)

Women's Singles Competition

• Tine Scheuer-Larsen
  • First Round — Defeated Warda Bouchabou (Algeria) 6–0, 6–1
  • Second Round — Defeated Wendy Turnbull (Australia) 6–4, 6–3
  • Third Round — Lost to Natasha Zvereva (Soviet Union) 1–6, 2–6