Nicolene Pichapa Bunchu (Thai: นิโคลีน พิชาภา บุญชู), known professionally as Nicolene Limsnukan (Thai: นิโคลีน ลิมศนุกาญจน์), is a Thai-American beauty pageant titleholder, who was won Miss Thailand World 2018. She represented Thailand at the Miss World 2018 pageant and was named Runner-Up and Continental Queen of Asia.^{[citation needed]} In July 2022, Limsnukan was first runner-up for Miss Universe Thailand 2022.

Limsnukan began her pageantry career by competing in and winning Miss Thai New Year USA 2014, along with the special awards for Miss Sport Outfit and Best Thai Costume.^{[citation needed]}

Limsnukan represented Thailand and won Miss Teen Asia USA 2014, together with Miss Congeniality and Best National Costume Awards.^{[citation needed]}

Limsnukan competed in Miss Universe Thailand 2018, reaching the top 10 and won the People's Choice Award.^{[citation needed]}

Limsnukan entered and won Miss Thailand World 2018, representing Bangkok, and won the Beauty With A Purpose, Best Thai Costume, Hua Hin's Favorite and Best Portrait awards. She succeeded outgoing Miss Thailand World 2016, Jinnita Buddee from Chiang Rai.

Limsnukan represented Thailand at the Miss World 2018 competition in Sanya, China on December 8, 2018, where Manushi Chhillar of India crowned Vanessa Ponce of Mexico as her successor at the end of the event.

Limsnukan was Thailand's first ever first runner-up at Miss World, marking Thailand's best performance in the pageant's history and ending a 26-year drought for the Continental Queen of Asia title. The last representative from Thailand to hold this title was Metinee Kingpayom at Miss World 1992.