| No. | Album | Year |
|---|---|---|
| 31 | Ore Raththam | |
| 32 | Oor Kuruvi | |
| 33 | Oththaikku Oththa | 2020 |
| 34 | Oh My Kadavule | 2020 |
| 35 | Oomai Vizhigal | 1986 |
| 36 | Om | 2011 |
| 37 | Orkut Penne | 2017 |
| 38 | Oru Kuppai Kadhai | 2018 |
| 39 | Oru Nalla Naal Paathu Solren | |
| 40 | Oli Vilakku | 1968 |
| 41 | Oru Pakka Kathai | 2017 |
| 42 | Oruvan | 1999 |
| 43 | Oor Kavalan | 1987 |
| 44 | O Kadhal Kanmani | 2015 |
| 45 | Oru Kalluriyin Kathai | 2005 |