Ka. So. Ka. Kannan is an Indian politician who is a Member of Legislative Assembly of Tamil Nadu. He was elected from Jayankondam as a Dravida Munnetra Kazhagam candidate in 2021. He also served as a Chairman of T.Palur Panchayat Union, Ariyalur district from 2006 to 2011.

Ka So Ka Kannan was born on 30 June 1978 in Kandiyankollai village near Jayankondam in Ariyalur district, Tamil Nadu. He completed his schooling in AJC Junior College in Kumbakonam and KAP Viswanathan school in Tiruchirappalli then proceeded to pursue his BCom and MCom degree in Manonmaniam Sundaranar University. His father K. C. Ganesan was a true follower of Dravida Munnetra Kazhagam and M. Karunanidhi. His father was elected two times as a Member of the Legislative Assembly for Jayankondam Assembly constituency.

Ka So Ka Kannan was deeply attracted by his father's political activities. He then followed his dad's footsteps to become Union Secretary of Dravida Munnetra Kazhagam for T.Palur from (2000–present). He got into politics at the age of 20 and directly became Union Secretary. By 2001 he competed in Local Body elections (India) to become Councillor for Edanganni and Chindamani ward. He then organised a historic protest to stop transfer of water from Kollidam River to Chennai for Veeranam Lake. His protest consisted of local MLA's and ward members which was a massive success and He received a lot of appreciation and a lot of support from local people after that. He then competed in Local Body Election of 2006 in Udayanatham ward and won. He served as The Chairman of T.Palur Panchayat Union(2006-2011). He attracted a large group of local people by his various activities. He is an active participant in every protest organised by Dravida Munnetra Kazhagam. He then put a lot of efforts and worked in each and every Member of the Legislative Assembly election for allied parties. He also worked and gathered a lot of votes for A. Raja in 2004 Member of parliament election and also for Thol. Thirumavalavan in 2009,2014,2019 Member of parliament election. This allured the attention of the party and they gave him a chance to compete in Member of the Legislative Assembly Election in 2021. After 20 years DMK contested in Jayankondam Assembly constituency preeceded by his father K. C. Ganesan. He then was elected as The Member of the Legislative Assembly in 2021.

He was married to Malathi Kannan who is a Dentist and works in T.Palur Primary Health Centre. She is the daughter of K.K.Chinnapan who was a former Member of the Legislative Assembly for Indian National Congress in 1991 at Jayankondam Assembly constituency. The couple has a daughter and a son: Madhumitha and Adhithya Ganesh.

Ka So Ka Kannan is a farmer who is working in his agricultural land in his hometown village Kandiyankollai. He also runs a trust to respect his late father Ka So Ganesan. Through this trust he does a lot of various social service to help people from his constituency. He also runs a College in the name of his father through which he is providing scholarships for most of the students.