Linna is a Finnish and Estonian surname. Notable people with the surname include:
Edvard Linna (1886–1974), Finnish gymnast Elina Linna (born 1947), Swedish politician Ivo Linna (born 1949), Estonian singer Miriam Linna (born 1955), American drummer, journalist, humorist and producer Väinö Linna (1920–1992), Finnish writer