Leung Sing Poh MBE (1908 – 12 February 1981) was an actor, host and former Cantonese opera performer from Hong Kong.

Leung was a pioneer actor of TVB, and was also the former chairman of Chinese Artist Association of Hong Kong from 1965 to 1970.

Leung started acting in Wusheng roles which made him very popular and one of the members of the Nanyang four kings of Cantonese opera.

After the world war, Leung started to gain weight, and was unsuitable for acting Wusheng anymore, and thus changed to Chousheng (clown) in which he portrayed villainous and also funny roles in cantonese opera, acting in several famous Cantonese Opera troupes, Leung thus gained the reputation of being "Chousheng Wang" or Clown King in Cantonese opera.

Leung first appeared in Chaos in the Universe, a 1941 comedy film directed by Cheung Oi-Man.

Leung hosted the popular Enjoy Yourself Tonight show in Hong Kong for many years till his death.