| Iidabashi | |
| Native Name: | 飯田橋 |
| Native Name Lang: | ja |
| Settlement Type: | District |
| Coordinates: | 35.7025°N 139.7447°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | City |
| Subdivision Name1: | Tokyo |
| Subdivision Type2: | Ward |
| Subdivision Name2: | Chiyoda |
| Subdivision Type3: | Area |
| Subdivision Name3: | Kōjimachi Area |
| Unit Pref: | Metric |
| Population As Of: | February 1, 2009 |
| Population Total: | 2,707 |
| Population Density Km2: | auto |
| Timezone1: | JST |
| Utc Offset1: | +9 |
| Postal Code: | 102-0072 |
| Area Code: | 03 |
is a district of Chiyoda, Tokyo, Japan. It was in the former ward of Kōjimachi, which existed in Tokyo until 1947.
Iidabashi is named after a nearby bridge called Iida Bridge (Iidabashi), itself named after an Edo-period farmer, Iida Kihee (Iida Kihee).
Several companies have their headquarters in Iidabashi, among them Japan Freight Railway Company,[1] KDDI[2] Nikken Sekkei,[3] and Shohakusha.[4]
operates public elementary and junior high schools. Fujimi Elementary School (富士見小学校) is the zoned elementary school for Iidabashi 1-4 chōme.[5] There is a freedom of choice system for junior high schools in Chiyoda Ward, and so there are no specific junior high school zones.[6]