| Thottakadu | |
| 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: | Thanjavur |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Population Total: | 1623 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Thottakadu is a village in the Thanjavur taluk of Thanjavur district, Tamil Nadu, India. The village is given importance for agriculture and it is located beside of Vettaru River. The majority of the people is doing agriculture.
As per the 2001 census, Thottakadu had a total population of 1623 with 819 males and 804 females. The sex ratio was 982. The literacy rate was 82.43.