| Pattathanam | |
| Nickname: | Land of Anthass |
| Settlement Type: | Neighbourhood |
| Pushpin Map: | India Kollam#Kerala#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kollam, India |
| Coordinates: | 8.88°N 76.6071°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Kollam |
| Governing Body: | Kollam Municipal Corporation(KMC) |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Malayalam, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 691021 |
| Registration Plate: | KL-02 |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Kollam |
| Blank2 Name Sec1: | Civic agency |
| Blank2 Info Sec1: | Kollam Municipal Corporation |
| Blank1 Name Sec2: | Avg. summer temperature |
| Blank1 Info Sec2: | 34°C |
| Blank2 Name Sec2: | Avg. winter temperature |
| Blank2 Info Sec2: | 22°C |
| Website: | http://www.kollam.nic.in |
Pattathanam is a residential area in the city of Kollam in Kerala, southwest India. It is located from Chinnakkada, the commercial hub of Kollam city. It is home to various educational institutions. The Latin Catholic (Roman Catholic Latin Church) Bharata Rajni Church, Subrahmanya Swami Temple, Ammannada Ardhanarishvara temple (Family temple of Kaliyilil puthen veedu earlier and presently run by NSS), St. John's Marthoma Church, St. Thomas CSI Church are located in Pattathanam.
Schools and colleges located in the area include Vimala Hridaya Catholic Girls High School, Krist Raj Boys High School, Balika Mariyam LPS, Fatima Mata National College and Bishop Jerome College of Engineering.
Notable individuals born in Pattathanam include: