Princess Soamsawali, the Princess Suddhanarinatha (Thai: ???????, RTGS: Somsawali, pronounced [so?m.sa.wa.li?]), born Mom Luang Soamsawali Kitiyakara (Thai: ??????? ????????; RTGS: Somsawali Kitiyakon; on 13 July 1957), is a member of the Thai royal family, and is the former wife of her first cousin King Vajiralongkorn.
She was titled "the Princess Mother of the King's First Grandchild" after her divorce with the then crown prince in 1991.