Dainava may refer to:
- Dainava, an alternative name for Dzūkija, a region of Lithuania
- Dainava (Kaunas), a neighbourhood in Kaunas city, Lithuania
- Dainava (Varėna), a village in Varėna district municipality, Alytus County, Lithuania
- FK Dainava Alytus, Lithuanian football club
Dainava is a fairly new neighbourhood (built in 1963, initially as a microdistrict) located in the north of center of Kaunas, the second largest city of Lithuania. It has an elderate status. The borough borders Kaunas Free Economic Zone in the north, Petrašiūnai in the east, Gričiupis in the south as well as Žaliakalnis and Eiguliai in the west.
In the elderate there is an old Jewish cemetery, Lithuanian Zoo, many faculties of Kaunas University of Technology, Friendship Park started in 1973. The neighbourhood was built in a typical soviet fashion. It is one of the largest elderates in Kaunas with over 70,000 inhabitants as of 2006 despite its small area of only .
Dainava (Varėna) is a village in Varėna district municipality, in Alytus County, in southeastern Lithuania. According to the 2001 census, the village has a population of 95 people.