Antonina may refer to:
- Antonina (genus) is a genus from the Lamiaceae
- Antonina (name)
- Antonina (wife of Belisarius)
- Antonina (Brazil) is a municipality in Brazil
- Antonina (novel) is an 1850 novel by Wilkie Collins
- Antonina, Bełchatów County in Łódź Voivodeship (central Poland)
- Antonina, Pajęczno County in Łódź Voivodeship (central Poland)
- Antonina, Poddębice County in Łódź Voivodeship (central Poland)
- Antonina, Masovian Voivodeship (east-central Poland)