Sunny Suwanmethanont (Thai: ซันนี่ สุวรรณเมธานนท์, born 18 May 1981 in Thailand) is a Thai of French and Singaporean descent actor. His father is of Thai and Singaporean descent and his mother is French.

He is best known for his leading role as Khaiyoi in the 2005 film, Dear Dakanda, for which he won the Best Actor award in Kom Chad Luek Awards. He also starred in the 2014 romantic-comedy movie, I Fine..Thank You..Love You and the 2015 comedy-drama movie, Heart Attack alongside Davika Hoorne. He is also one of the lead actors in Brother of the Year with Urassaya Sperbund and Nichkhun.