Omulno [ɔˈmulnɔ] (German: Vorwerk Lassere) is a village in the administrative district of Gmina Wałcz, within Wałcz County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 8 kilometres (5 mi) north-west of Wałcz and 121 km (75 mi) east of the regional capital Szczecin.

The village has a population of 100.