Lappeenranta has twin cities in nine countries.
- Denmark - Kolding
- Estonia - Rakvere
- Germany - Schwäbisch Hall , Friendship Society: Deutsch-Finnische Gesellschaft (DFG) Hohenlohe-Franken (Schwäbisch Hall)
- Hungary - Szombathely
- Iceland - Stykkisholmur
- Norway - Drammen
- Russia -Klin (until March 2022)
- Sweden - Örebro
Our neighbour city is Vyborg, in Russia. The city of Lappeenranta has suspended co-operation for the time being.