| Thirumandangudi | |
| Settlement Type: | Village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanjavur |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Papanasam |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Population Total: | 697 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Thirumandangudi is a village temple dedicated to Sri Ranganathaswamy and is considered the birthplace of Thondaradippodi Alvar, one of the 12 Alvars saints of the 6th-9th century CE. The village is located in the Papanasam taluk of Thanjavur district, Tamil Nadu, India.
At the 2001 census, Thirumandangudi had a population of 697 with 354 males and 343 females. The sex ratio was 969. The literacy rate was 76.4%.
Sri Ranganathaswamy Temple, Thirumandangudi is the birthplace of Thondaradippodi Alvar. There is also Srinivasa Perumal next to Thondaradipodi Alvar statue. Since Thondaradippodi Alvar wanted Ranganatha to get up from reclining posture and hence composed Tirupalliyelluchi. That wish was granted to Alvar at this place which is also his birthplace.