Switzerland competed at the 1988 Summer Olympics in Seoul, South Korea. 99 competitors, 72 men and 27 women, took part in 83 events in 17 sports.
Medalists
{| class="wikitable sortable" style="font-size:90%"
|-
!Medal
!Name
!Sport
!Event
!Date
|-
| || <br> || Rowing || Men's double sculls || 24 September
|-
| || <br><br><br> || Equestrian || Team dressage || 25 September
|-
| || || Athletics || Men's shot put || 23 September
|-
| || || Equestrian || Individual dressage || 27 September
|}
Competitors
The following is the list of number of competitors in the Games.
{| class="wikitable sortable" style="text-align:center;"
|-
! width=180|Sport
! width=55|Men
! width=55|Women
! width=55|Total
|-
| align=left|Archery
| 0 || 2 || 2
|-
| align=left|Athletics
| 10 || 9 || 19
|-
| align=left|Canoeing
| 1 || 0 || 1
|-
| align=left|Cycling
| 6 || 3 || 9
|-
| align=left|Diving
| 0 || 1 || 1
|-
| align=left|Equestrian
| 7 || 1 || 8
|-
| align=left|Fencing
| 5 || 2 || 7
|-
| align=left|Gymnastics
| 2 || 0 || 2
|-
| align=left|Judo
| 2 || – || 2
|-
| align=left|Modern pentathlon
| 3 || – || 3
|-
| align=left|Rowing
| 7 || 0 || 7
|-
| align=left|Sailing
| 10 || 0 || 10
|-
| align=left|Shooting
| 6 || 3 || 9
|-
| align=left|Swimming
| 7 || 3 || 10
|-
| align=left|Synchronized swimming
| – || 3 || 3
|-
| align=left|Tennis
| 2 || 0 || 2
|-
| align=left|Wrestling
| 4 || – || 4
|-
! Total || 72 || 27 || 99
|}
Archery
In Switzerland's fourth appearance in Olympic archery, two women competed.
Women's Individual Competition:
- Vreny Burger — Preliminary Round (→ 39th place)
- Nadia Gautschi — Preliminary Round (→ 45th place)
Athletics
Men's Shot Put
- Werner Günthör
:* Qualifying Heat — 20.70m
:* Final — 21.99m (→ Image:Med 3.png Bronze Medal)
Men's Javelin Throw
- Rudolf Steiner
:* Qualification — 76.02m (→ did not advance)
Men's Decathlon
- Beat Gähwiler — 8114 points (→ 12th place)
:# 100 metres — 11.18s
:# Long Jump — 7.34m
:# Shot Put — 14.48m
:# High Jump — 1.94m
:# 400 metres — 49.02s
:# 110m Hurdles — 15.11s
:# Discus Throw — 42.46m
:# Pole Vault — 4.70m
:# Javelin Throw — 65.84m
:# 1.500 metres — 4:16.74s
- Christian Gugler — 7502 points (→ 22nd place)
:# 100 metres — 11.49s
:# Long Jump — 7.02m
:# Shot Put — 13.80m
:# High Jump — 2.03m
:# 400 metres — 50.60s
:# 110m Hurdles — 15.22s
:# Discus Throw — 39.08m
:# Pole Vault — 4.70m
:# Javelin Throw — 60.92m
:# 1.500 metres — 4:21.93s
- Severin Moser — 7502 points (→ 27th place)
:# 100 metres — 11.10s
:# Long Jump — 6.98m
:# Shot Put — 12.69m
:# High Jump — 1.85m
:# 400 metres — 48.63s
:# 110m Hurdles — 15.13s
:# Discus Throw — 38.04m
:# Pole Vault — 4.70m
:# Javelin Throw — 49.52m
:# 1.500 metres — 4:21.90s
Women's Marathon
- Genoveva Eichenmann
:* Final — 2"44.37 (→ 47th place)
- Rosmarie Müller
:* Final — 2"47.31 (→ 48th place)
Women's Javelin Throw
- Denise Thiémard
:* Qualification — 61.74m
:* Final — 58.54m (→ 9th place)
Women's Heptathlon
- Corinne Schneider
:* Final Result — 6157 points (→ 13th place)
Canoeing
Cycling
Nine cyclists, six men and three women, represented Switzerland in 1988.
;Men's road race
- Marcel Stäuble
- Daniel Steiger
- Felice Puttini
;Men's 1 km time trial
- Rocco Travella
;Men's individual pursuit
- Bruno Risi
;Men's points race
- Philippe Grivel
;Women's road race
- Edith Schönenberger — 2:00:52 (→ 18th place)
- Barbara Ganz — 2:00:52 (→ 40th place)
- Brigitte Gyr-Gschwend — 2:00:52 (→ 41st place)
Diving
;Women
{|class=wikitable style="font-size:90%"
|-
!rowspan="2"|Athlete
!rowspan="2"|Event
!colspan="2"|Preliminary
!colspan="2"|Final
|-style="font-size:95%"
!Points
!Rank
!Points
!Rank
|-align=center
|align=left rowspan=2|Beatrice Bürki
|align=left|3 m springboard
|400.32
|16
|colspan=2|Did not advance
|}
Equestrian
Fencing
Seven fencers, five men and two women, represented Switzerland in 1988.
;Men's épée
- Patrice Gaille
- Michel Poffet
- André Kuhn
;Men's team épée
- Patrice Gaille, André Kuhn, Zsolt Madarasz, Gérald Pfefferle, Michel Poffet
;Women's foil
- Alessandra Mariéthoz
- Andrea Piros
Gymnastics
Judo
Modern pentathlon
Three male pentathletes represented Switzerland in 1988.
Men's Individual Competition:
- Peter Steinmann — 5181pts (→ 9th place)
- Andy Jung — 4951pts (→ 26th place)
- Peter Burger — 4731pts (→ 43rd place)
Men's Team Competition:
- Steinmann, Jung, and Burger — 14863pts (→ 7th place)
Rowing
Sailing
Shooting
Swimming
Men's 50 m Freestyle
- Dano Halsall
:* Heat — 22.61
:* Final — 22.83 (→ 4th place)
- Stéfan Voléry
:* Heat — 23.04
:* Final — 22.84 (→ 5th place)
Men's 100 m Freestyle
- Stéfan Voléry
:* Heat — 50.96
:* B-Final — 50.74 (→ 11th place)
- Dano Halsall
:* Heat — 51.21 (→ did not advance, 23rd place)
Men's 200 m Freestyle
- Alberto Bottini
:* Heat — 1:51.45 (→ did not advance, 20th place)
- Stéfan Voléry
:* Heat — 1:52.94 (→ did not advance, 25th place)
Men's 400 m Freestyle
- Alberto Bottini
:* Heat — 3:57.92 (→ did not advance, 25th place)
Men's 100 m Backstroke
- Patrick Ferland
:* Heat — 58.17 (→ did not advance, 24th place)
Men's 200 m Backstroke
- Patrick Ferland
:* Heat — 2:07.77 (→ did not advance, 29th place)
Men's 100 m Breaststroke
- Pierre-Yves Eberle
:* Heat — 1:04.53 (→ did not advance, 21st place)
- Étienne Dagon
:* Heat — 1:04.71 (→ did not advance, 27th place)
Men's 200 m Breaststroke
- Étienne Dagon
:* Heat — 2:18.68
:* B-Final — 2:18.17 (→ 13th place)
- Pierre-Yves Eberle
:* Heat — 2:20.65 (→ did not advance, 25th place)
Men's 100 m Butterfly
- Théophile David
:* Heat — 56.77 (→ did not advance, 30th place)
Men's 200 m Butterfly
- Théophile David
:* Heat — 2:05.58 (→ did not advance, 33rd place)
Men's 4 × 100 m Medley Relay
- Patrick Ferland, Étienne Dagon, Dano Halsall, and Stéfan Voléry
:* Heat — 3:48.09 (→ did not advance, 9th place)
<br>
Women's 50 m Freestyle
- Marie-Therese Armentero
:* Heat — 26.32
:* B-Final — 26.34 (→ 11th place)
Women's 100 m Freestyle
- Marie-Therese Armentero
:* Heat — 57.35 (→ did not advance, 18th place)
Women's 100 m Backstroke
- Eva Gysling
:* Heat — 1:05.07 (→ did not advance, 20th place)
Women's 200 m Backstroke
- Eva Gysling
:* Heat — 2:24.61 (→ did not advance, 27th place)
Women's 100 m Breaststroke
- Patricia Brülhart
:* Heat — 1:15.00 (→ did not advance, 30th place)
Women's 200 m Breaststroke
- Patricia Brülhart
:* Heat — 2:42.82 (→ did not advance, 36th place)
Synchronized swimming
Three synchronized swimmers represented Switzerland in 1988.
;Women's solo
- Karin Singer
- Edith Boss
- Claudia Peczinka
;Women's duet
- Karin Singer
- Edith Boss