| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Marjatta Vilhelmiina•Muttilainen-Olkkonen (-Aarrejoki) | |
| Used name | Marjatta•Muttilainen-Olkkonen | |
| Born | 21 August 1946 in Virrat, Pirkanmaa |  FIN |
| Measurements | 165 cm / 60 kg | |
| Affiliations | Juvan Urheilijat — Juva, Etelä-Savo | FIN |
| NOC | Finland | FIN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Winter Olympics | Cross Country Skiing (Skiing) | FIN |
Marjatta Olkkonen | |||
| 5 kilometres, Women (Olympic) | 11 | |||||
| Relay, Women (Olympic) | Finland | 4 | ||||
| 1972 Winter Olympics | Cross Country Skiing (Skiing) | FIN |
Marjatta Muttilainen | |||
| 10 kilometres, Women (Olympic) | 22 |
