Nudnida "Chun" Luangnam (Thai: ณัฐนิดา หลวงแนม; born 27 February 1987) is a former tennis player from Thailand.

In 2013, Luangnam qualified for the Auckland Open defeating players like Irina Falconi, Irena Pavlovic and Gréta Arn, before losing to Romina Oprandi.

She then played the qualifying event of the Australian Open but lost in the first round to Estrella Cabeza Candela.

Luangnam had some WTA Tour success when she qualified for the Malaysian Open defeating Chan Chin-wei and Monique Adamczak and then reached the second round, beating Zheng Saisai in the first, before falling to Ayumi Morita.

In her career, she won 13 titles in singles and 13 in doubles on tournaments of the ITF Women's Circuit.