| J. Arundhathi | |
| Office1: | Member of the Kerala Legislative Assembly |
| Term Start1: | 2006 |
| Term End1: | 2011 |
| Constituency1: | Vamanapuram constituency |
| Birth Date: | 1945 8, df=yes |
| Birth Place: | Pettah, Thiruvananthapuram, British India |
| Residence: | Vembayam, Thiruvananthapuram |
| Party: | Communist Party of India (Marxist) |
| Spouse: | N. Gopinathan |
| Children: | 1 son 1 daughter |
J. Arundhathi (born 6 August 1945) is an Indian politician from Kerala, India. She represented Vamanapuram constituency in 12th (2006) Kerala Legislative Assembly. She is a member of the Communist Party of India (Marxist) Thiruvananthapuram District Committee.
She was born on 6 August 1945 at Pettah, Thiruvananthapuram to N. Madhavan Pillai and Janamma.[1] She entered active politics as a student.[2] She was a member of Vembayam Grama Panchayat, Nedumangad Block Panchayat and Thiruvananthapuram District Panchayat.[1] She is the Joint District Secretary of the All India Democratic Women's Association, Thiruvananthapuram.