Sompote Saengduenchai (Thai: สมโพธิ แสงเดือนฉาย; RTGS: Somphot Saengdueanchai; 24 May 1941 – 26 August 2021), internationally known as Sompote Sands, was a Thai film director, special effects creator and producer best known for directing several Thai films especially tokusatsu (special effects-based) genre or monster films such as The 6 Ultra Brothers vs. the Monster Army, Jumborg Ace & Giant, the illegally produced Hanuman and the Five Riders, the 1980 cult classic Crocodile, Phra Rod Meree and the 1985 fantasy monster film Magic Lizard. He was the founder and owner of Chaiyo Productions based in Bang Pa-in, Phra Nakhon Si Ayutthaya.