| Official Name: | Mikniūnai |
| 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: | Krakės Eldership |
| Population As Of: | 2011 |
| Population Total: | 0 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 55.4611°N 23.6833°W |
Mikniūnai (formerly ru|Михнюны, pl|Michniuny) 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 Barkūniškis.
At the beginning of the 20th century Mikniūnai was an estate of the Burbos family.