|Born||1940 (age 80–81)|
|Alma mater||Lund University|
|Known for||Study of Pre-Quaternary landforms|
|Awards||Björkénska priset (2006)|
Karna Lidmar-Bergström (born 1940) is a Swedish geologist and geomorphologist known for her study of Pre-Quaternary landforms in Sweden and Norway. In 2004 she was elected into the Royal Swedish Academy of Sciences.
Lidmar-Bergström studied at Lund University under professor Karl-Erik Bergsten in Lund. Later Mats Åkesson served as her unofficial doctoral advisor, as the tutor system did not exist back then.