| Kateya | |
| Other Name: | Kataiya |
| Settlement Type: | Town |
| Pushpin Map: | India Bihar |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 26.5695°N 84.0926°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Gopalganj |
| Unit Pref: | Metric |
| Population Total: | 17896 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Bhojpuri, Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 841437 |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Gopalganj |
| Blank2 Name Sec1: | Vidhan Sabha constituency |
| Blank2 Info Sec1: | Bhore |
| Iso Code: | IN-BR |
Kataiya is a town and a notified area in Gopalganj district in the Indian state of Bihar.
Kataiya is located at .[1]
India census,[2] Kateya had a population of 17,896. Males constitute 52% of the population and females 48%. Kateya has an average literacy rate of 42%, lower than the national average of 59.5%: male literacy is 53%, and female literacy is 30%. In Kateya, 19% of the population is under 6 years of age.