Mern is a village with a population of 1,001 (1 January 2024) located in Vordingborg Municipality, Region Zealand in Denmark.

The village is a former Railway town at the Næstved-Præstø-Mern Railroad which was closed in 1961.[1]

Mern church was originally a Romanesque brick-covered church, later rebuild and extended, now as a white-washed village church. The church has 4 south chapels from approximately 1510-20, the tower somewhat later.

In the early afternoon, 29. August 1878, a 4.6 kg meteoritic stone fell from the sky with impact just east of Mern. The Mern meteorite is the most massive meteorite of the only 4 clearly witnessed meteorite falls (all stones) recovered in Denmark.

• Line Luplau (1823 in Mern - 1891) a Danish feminist and suffragist.
• Anders Lassen, VC, MC & Two Bars (1920 in Høvdingsgaard estate, Mern Parish – 1945) a highly decorated Danish soldier, who was the only non-Commonwealth recipient of the British Victoria Cross in the WWII