พลอยนิรา หิรัญทวีศิลป์

Kapook Ploynira Hiruntaveesin is a Thai actress and model under GMMTV. She graduated from a demonstration school affiliated with Srinakharinwirot University. Kapook has a bachelor's degree in business administration from Bangkok University. She is currently in a relationship with Channel 3 actor Krating Khunnarong.

At the age of 14, Kapook began booking commercials. In 2016, she had a supporting role as Orn in Senior Secret Love: My Lil Boy. Since then, she has taken part in a pile of dramas.