| Arja Klemz | |
| Birth Name: | Arja Leena Kantola |
| Nationality: | Finnish |
| Sport: | Speed skating |
| Birth Date: | 13 June 1949 |
| Birth Place: | Rovaniemi, Finland |
Arja Leena Klemz (; born 13 June 1949) is a Finnish speed skater.[1] She competed at the 1968 Winter Olympics and the 1972 Winter Olympics.[2] In 1972, she moved to Inzell, Germany.[3] She married Walter Klemz and had three children, Marko, Kerstin and Melanie and six grandchildren, Lena, Hannah, Tobias, Amelie, Paula and Korbinian.