Uthumporn Silaphan, nicknamed Jum, is a Thai actress. She first began working by appearing in the television drama Keaw Noppakao in 1976.

After playing the heroine for many years she later transitioned to play the villain and some of the starring roles. Currently still continuing to receive theatrical work, she mainly plays the role of a mother. Uthumporn was married to Thierry Mekwattana, a singer of the Carabao band.