Ottappalam is the stronghold of the Left democratic front (LDF) which has fielded P Unni to contest the Ottappalam assembly constituency in 2016 assembly elections. Shanimol Usman, a former All India Congress Committee secretary has been nominated by the Congress to contest on behalf of the United Democratic Front (UDF). P. Venugopal of the BJP is again facing the electorate on behalf of the National Democratic Alliance (NDA).
| Name of the Candidate | Party Name | Results |