| Host city | Mariánské Lázně | ||
|---|---|---|---|
| Country | Czechoslovakia | ||
| Events | 6 | ||
|
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The 1991 World Orienteering Championships, the 14th World Orienteering Championships, were held in Mariánské Lázně, Czechoslovakia, 21–25 August 1991.
The championships had six events; the classic distance (formerly called individual) for men and women, the short distance for men and women, and relays for men and women.