| Keezhaiyur | |
| Native Name: | கீழையூர் |
| Native Name Lang: | ta |
| Other Name: | Kijéour |
| Settlement Type: | village |
| Pushpin Map: | India |
| Pushpin Map Caption: | Location in India |
| Coordinates: | 11.1325°N 79.7492°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Puducherry |
| Subdivision Type2: | District |
| Subdivision Name2: | Karaikal |
| Parts Type: | Talukas |
| Parts: | Karaikal |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | French, Tamil, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Keezhaiyur is a revenue village in the Karaikal taluk of Karaikal District. It is situated at a distance of about 6 kilometres south-east of Karaikal town and 2 kilometres east of Tirumalarajanpattinam commune.