Last name Jämsä-Jounela (Jämsä-Jounela 
) , worldwide, is an extremely rare family name. The cognomen Jämsä-Jounela is habitual in Northern Europe, particularly Finland, where it is a very rare surname. Parts of the name also exists independently as a last name Jämsä, and a last name Jounela.
| VARIANT | COUNTRY |
|---|---|
| Jämsä-Jounela | Finland |
| sirkka-liisa jämsä-jounela Finnish chemical engineer, Ph.D. (D.Tech.), professor of chemical technology / process control and management (Aalto University), FI (b. 1951) |
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