Ibaraki may refer to any of the following places in Japan:
- Ibaraki Prefecture, one of the 47 prefectures of Japan
- Ibaraki, Ibaraki, a town in Ibaraki Prefecture
- Ibaraki Airport, an airport in Omitama, Ibaraki
- Ibaraki dialect, the dialect spoken in Ibaraki Prefecture
- Ibaraki, Osaka, a city in Osaka Prefecture
It can also refer to:
- Ibaraki-dōji, an oni (demon or ogre) from Japanese legend
- Ibaraki, a kabuki play by Kawatake Mokuami
- Miss Ibaraki (Tsukuba Kasumi); Japanese friendship dolls
- Ibaraki, a side project of Trivium vocalist Matt Heafy
- LuckyFM Ibaraki Broadcasting System, a commercial radio station in Ibaraki Prefercture, Japan
- Ibaraki (surname)