Iidabashi may refer to
- Iida bridge (飯田橋, Iidabashi?), a bridge to the north of JR Iidabashi Station
- Iidabashi Station (飯田橋駅, Iidabashi-eki?), a train station located between Iida bridge and Ushigome bridge neighboring Kagurazaka
- Iidabashi, Tokyo (飯田橋, Iidabashi?), a district in Chiyoda, Tokyo, southeast of Iidabashi Station