| Pannithittu | |
| Settlement Type: | Village |
| Pushpin Map: | India Puducherry#India |
| Pushpin Map Caption: | Location in Puducherry, India |
| Coordinates: | 11.8287°N 79.8023°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Puducherry |
| Subdivision Type2: | District |
| Subdivision Name2: | Pondicherry |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Bahour |
| Subdivision Type4: | Commune |
| Subdivision Name4: | very village |
| Unit Pref: | Metric |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | French, Tamil, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 607 402 |
| Area Code Type: | Telephone code |
| Area Code: | 0413 |
| Registration Plate: | PY-01 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 50% ♂/♀ |
| Iso Code: | IN-WB |
Pannithittu is a village[1] in Bahour Commune of Bahour taluk in the Union Territory of Puducherry, India. It lies east of NH-45A at a distance of 2 km from it. River Malattar joins Bay of Bengal at Pannithittu.
Pannithittu is bordered by Kirumampakkam in the west, Malattar in the north, Bay of Bengal in east and Pillaiyarkuppam in the south.
Following are the villages under Pannithittu Village Panchayat.
Pannithittu is connected to Puducherry by NH45A - Kirumampakkam road. Also Pannithittu is connected to Pudukuppam via. Pillaiyarkuppam, Bahour and Manappattu. There is also an access road from Reddichavadi via Pannithittu Regulator.
Pannithittu is a part of Embalam (Union Territory Assembly constituency) which comes under Puducherry (Lok Sabha constituency)