The King of Musang King (Chinese: 猫山王中王) is a 2023 Singaporean-Malaysian comedy film directed by Jack Neo. The film stars Neo, Yeo Yann Yann, Mark Lee, Henry Thia, Gadrick Chin, Glenn Yong, Angeline Teoh and Jamie Chu. Set in Raub, Pahang, Malaysia, the film follows an ambitious durian farmer Wang Mao Shan (Neo) who aims to expand his business overseas. He develops feelings for his neighbour and business partner Liu Mei Lian (Yeo) along the way but faces complications when her estranged husband Wang Jin Shui (Lee) returns. It also marks the on-screen reunion of Jack Neo, Mark Lee and Henry Thia after their previous collaborations in Money No Enough, That One No Enough, Money No Enough 2, Where Got Ghost? and Money No Enough 3. Secondly, It also marks another on-screen reunion of Yeo Yann Yann and Mark Lee after their previous collaborations as couples being wife and husband respectively in movies known as Being Human, Petaling Street Warriors and Lee Chong Wei. Moreover, it also marks another on-screen reunion of Yeo Yann Yann and Henry Thia after their previous collaboration in Love Matters where they both portrayed couples being wife and husband respectively. Furthermore, it also marks another on-screen reunion of Henry Thia and Gadrick Chin after their previous collaboration in Take 2. At the same time, besides Thia and Chin collaborating again, they also reprised their roles as Ah Hui and Sha Bao from The Diam Diam Era, The Diam Diam Era Two, Ah Boys to Men 3: Frogmen and Take 2 respectively. Also, it marks another on-screen reunion of Mark Lee, Henry Thia and Gadrick Chin after their previous collaboration in Number 1, in which Lee also portrayed a very similar role just like this film where both roles featured his characters looking for many jobs and work on them but ultimately were all failed attempts, which led them working as a drag queen in that film and durian seller with his family in this film respectively.

The film was released on 21 January 2023 in Malaysia and Singapore. It is one of the four 2023 Malaysian and Singaporean Chinese New Year films, with the rest being Ma, I Love You, Little Sunshine (Malaysia), and What! The Heist (Malaysia-Singapore).