| Official Name: | Jokūbaičiai |
| Settlement Type: | Village |
| Pushpin Map: | 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: | Gudžiūnai Eldership |
| Population As Of: | 2011 |
| Population Total: | 20 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 55.4969°N 23.7139°W |
Jokūbaičiai (formerly Russian: Якубайци, Polish: Jakubajcie) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village has a population of 20 people. It is located 4 km from Gudžiūnai, by the Srautas river.
Jokūbačiai is mentioned as a royal village in the 18th century. During the Second World War Nazis killed 7 inhabitants of Jokūbačiai.