Łomnica [wɔmˈnit͡sa] is a village in the administrative district of Gmina Zbąszyń, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland.

Łomnica was a private village of Polish nobility, administratively located in the Kościan County in the Poznań Voivodeship in the Greater Poland Province of the Kingdom of Poland.

[2] During World War II, on 23 January 1945, a German-perpetrated death march of prisoners from the dissolved camp in Żabikowo to the Sachsenhausen concentration camp stopped in Łomnica.

[3] The next day, the Germans committed a massacre of 17 prisoners.

[3] The A2 motorway passes nearby, north of the village.