Kalaya Sophonpanich (Thai : กัลยา โสภณพนิช ; RTGS : Kanlaya Sophonphanit ; Chinese : 龍宛虹 ; pinyin : Lóng Wǎnhóng ; born 21 September 1940) is a Thai physicist and politician who served as the Minister of Science and Technology from 2008 to 2010.