| Koothaippar | |
| Native Name: | koothappar |
| Native Name Lang: | tamil |
| Settlement Type: | Neighborhood |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.7958°N 78.7972°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Tiruchirappalli |
| Unit Pref: | Metric |
| Population Total: | 17061 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | Pincode |
| Postal Code: | 620013 |
Koothappar is a neighbourhood of the city of Tiruchirappalli in Tamil Nadu, India. It is situated in the heart of the city.
Koothappar is located at . It lies close to Kaveri River and the famous Kallanai Dam (also known as the Grand Anicut) is just 5 km from here.
India census,[1] Koothappar had a population of 17,061. Males constitute 50% of the population and females 50%. Koothappar has an average literacy rate of 87%, higher than the national average of 59.5%. Male literacy is 91%, and female literacy is 84%. In Koothappar, 7% of the population is under 6 years of age.
Regular bus service connects the town with the intra-city terminal Chathiram Bus Station, Tiruchirappalli (also called as Main Guard Gate). The nearest railway station is Thiruverumbur and the nearby airport is Tiruchirapalli International Airport.