The party's Tamil Nadu secretary D. Pandian released the list.
The CPI will jointly fight the polls with the Communist Party of India-Marxist (CPI-M) after their alliance with the AIADMK collapsed over seat-sharing.
The CPI has renominated P. Lingam, the sitting member of parliament from Tenkasi in the state.
The other candidates are: K. Subbarayan (Tirupur), G. Palanisamy (Nagapattinam), A.S. Kannan (Tiruvallur), A. Mohanraj (Tuticorin), K. Balasubramanian (Cuddalore), S. Krishnan (Sivaganga), R.T. Uma Maheswari (Ramanathapuram) and R. Viswanathan (Puducherry).
Polls in Tamil Nadu and Puducherry would be held April 24.