Axa Regina Elisabeth Linnanheimo (until 1924 Leino, since 1948 Regina Mörner, 7 September 1915, Helsinki – 24 January 1995) was a Finnish actress and screenwriter.
Her sister Rakel Linnanheimo (1908–2004) was also an actress.
Linnanheimo was married to Count Carl Robert Mörner 1948–1952, until his death.
After she ended her film career in 1956, she started to work as a translator for the Finnish Broadcasting Company using the name Regina Mörner.