Arja Hannus
| Medal record | ||
|---|---|---|
| Women's orienteering | ||
| Representing Sweden | ||
| World Championships | ||
| 1981 Thun | Relay | |
| 1987 Gérardmer | Individual | |
| 1989 Skövde | Relay | |
| 1991 Mariánské Lázně | Relay | |
| 1987 Gérardmer | Relay | |
Arja Hannus (born 13 January 1960) is a Swedish orienteering competitor, competing for sports club Selånger SK. She won the 1987 Individual World Orienteering Championships. She is three times Relay World Champion, from 1981, 1989 and 1991, as a member of the Swedish winning teams, and has a silver medal from 1987.