Monaco competed at the 1988 Summer Olympics in Seoul, South Korea. Nine competitors, eight men and one woman, took part in nine events in seven sports.
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
| 1 || 0 || 1
|-
| align=left|Athletics
| 1 || 0 || 1
|-
| align=left|Cycling
| 1 || 0 || 1
|-
| align=left|Fencing
| 1 || 0 || 1
|-
| align=left|Judo
| 2 || – || 2
|-
| align=left|Sailing
| 2 || 0 || 2
|-
| align=left|Shooting
| 0 || 1 || 1
|-
! Total || 8 || 1 || 9
|}
Archery
;Men's individual
- Gilles Cresto - preliminary round, 65th place
Athletics
Cycling
One male cyclists represented Monaco in 1988.
;Men's road race
- Stéphane Operto
Fencing
One male fencer represented Monaco in 1988.
;Men's sabre
- Olivier Martini