| Official Name: | Kvetkai |
| Coordinates: | 56.1333°N 33°W |
| Pushpin Map: | Lithuania |
| Pushpin Map Caption: | Location of Kvetkai |
| Subdivision Type: | Country |
| Subdivision Type1: | Ethnographic region |
| Subdivision Name1: | Aukštaitija |
| Subdivision Type2: | County |
| Subdivision Name2: | Panevėžys County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Biržai district municipality |
| Subdivision Type4: | Eldership |
| Subdivision Name4: | Papilys elderate |
| Established Date: | 1647 |
| Established Title: | First mentioned |
| Population Total: | 244 |
| Population As Of: | 2011 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Kvetkai is a village in Biržai district municipality, northern Lithuania. It is located about 3 km away from the border with Latvia. Nemunėlis flows through the village.
It has a wooden St. John the Baptist Church (1772) and a primary school established in 1835.