| Official Name: | Pacūnai |
| Settlement Type: | Village |
| Pushpin Map: | Kėdainiai District Municipality#Lithuania |
| Pushpin Map Caption: | Location in Lithuania |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | County |
| Subdivision Name1: | Kaunas County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Kėdainiai district municipality |
| Subdivision Type3: | Eldership |
| Subdivision Name3: | Pelėdnagiai Eldership |
| Population As Of: | 2011 |
| Population Total: | 0 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 55.1889°N 23.9917°W |
Pacūnai (Pociūnai, formerly Russian: Пацуны, Polish: Pacuny) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village was uninhabited. It is located from Nociūnai, by the Mėkla and its tributary the Vilkupis, nearby the Labūnava Forest. There is a memorial cross for the exiled ones.
In the beginning of the 20th century there were two Pacūnai okolicas in Babtai volost. They was a property of the Jogintavičiai, Kalvaičiai, Marcinkevičiai, Jurevičiai families.