| Official Name: | Žostautai |
| 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: | Pernarava Eldership |
| Population As Of: | 2011 |
| Population Total: | 53 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 55.3033°N 23.6469°W |
Žostautai or Zaštautai (formerly Russian: Заштовты, Polish: Zasztowty) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 53 people. It is located from Pernarava, between the Lapkalnys-Paliepiai Forest and the Šušvė river. There is a farm.
Žostautai has been known since 1596. There was Žostautai village and folwark at the end of the 19th century. During the Soviet era it was a subsidiary kolkhoz settlement.