Lahtinen
Lahtinen is a Finnish-language surname of the so-called Virtanen type: lahti ("bay") + -nen (a surname suffix). Notable people with the surname include:
- Alli Lahtinen (1926–1976), Finnish politician
- Aki Lahtinen (born 1958), Finnish footballer
- Hugo Lahtinen (1891–1977), Finnish athlete
- Juhani Lahtinen (1938–2018), Finnish ice hockey goalkeeper
- Merja Lahtinen (born 1968), Finnish cross country skier
- Mika Lahtinen (born 1985), Finnish footballer
- Timo Lahtinen (born 1947), Finnish ice hockey player
- Urpo Lahtinen, Finnish magazine publisher
- Varma Lahtinen (1894–1976), Finnish actress
- Vesa Lahtinen (born 1968), Finnish ice hockey player
Fictional characters
- Yrjö Lahtinen, corporal and machine gunner who holds communist sympathies in Väinö Linna's novel and subsequent films The Unknown Soldier
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