Li Nanxing is a Chinese Mediacorp actor from Singapore. Li may be the best-known male actor in Singapore in modern times, and is widely regarded as the 'king' of Caldecott Hill, alongside Zoe Tay who is the 'queen', both having consistently been voted as the 'Top 10 Most Popular Artistes' for their respective genders in the annual Star Awards. Li has also won a couple of 'Best Male Actor' awards in the same award ceremony in his Television career which begun in 1987. Some of his more famous shows include The Unbeatables series and The Magnate; Li has also acted in 6 telemovies to date, and even sang the theme song of several of his shows. He mostly played in anti-hero roles. Li has an English name, Jonathan, which he seldom uses. He divorced his wife, Yang Libing in 2005, ending a marriage that had lasted 11 years.

李南星（英文名：Li Nan Xing，1964年11月7日－），祖籍广东潮阳，新加坡华人男明星，毕业于新加坡广播局1986年第1期《三开时间》演员训练班后，就加入前新广成为一位戏剧组演员。他主演过各种角色，是位演技全面化的演员，在新加坡与郑惠玉并称“新传媒一哥、一姐”，他的男性魅力与从容不迫的大将之风更时常让人将他与国际知名艺人周润发相提并论。