Updated: December 12, 2023
Here are the most watched K-dramas on television in South Korea in December 2023: TV ratings are based on nationwide viewership data from Nielsen Korea.
| Nationwide Rating | Title | Network | Creators |
| 17.8% | Live Your Own Life (2023) | KBS2 | Cast: UEE, Ha Jun Screenwriter: Jo Jeong-seon Director: Kim Hyeong-il |
| 12.1% | Unpredictable Family (2023) | KBS1 | Cast: Nam Sang-ji, Lee Do-hyeon, Kang Debin, Lee Hyona, Lee Jong-won Screenwriter: Moon Yeong-hoon Director: Kim Seong-geun |
| 10.7% | The Elegant Empire (2023) | KBS2 | Cast: Kim Jin Woo, Han Ji Wan, Kang Yul, Son Sung Yoon, Lee Sang Bo, etc. Writer: Han Young-Mi Director: Park Ki-Ho |
| 10.0% | Goryeo-Khitan War (2023) | KBS2 | Cast: Kim Dong-Joon, Choi Soo-jong, Baek Sung-hyun, Lee Min-young, Lee Won-jong, Kong Jung-hwan, Han Seung-hyun, Kim San-ho, Yoon Bok-in, Han Jae-young Writer: Lee Jung Woo Directors: Jeon Woo Sung, Kim Han Sol |
| 9.6% | The Story Of Park’s Marriage Contract (2023) | MBC | Cast: Lee Se-young, Bae In-hyuk Writer: Go Nam-jeong Director: Park Sang-hoon |
| 9.0% | Castaway Diva (2023) | tvN | Cast: Park Eun-bin, Chae Jong-hyeop, Kim Hyo-jin, Cha Hak-yeon, Kim Ju-hoon Screenwriter: Park Hye Ryun Director: Oh Choong Hwan |
| 6.5% | Welcome To Samdal-ri (2023) | JTBC | Cast: Ji Chang-wook, Shin Hae-sun Writer: Kwon Hye Joo Director: Cha Young Hoon |
Source: Nielsen Korea
KORB 