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Sun Park (Korean: 박선; born 3 January 1981) is a Korean Australian singer, actress, entertainer^[1] and former member of the children's entertainment group Hi-5 as well as the television series of the same name from 2006 to 2008.^{[citation needed]}

Park graduated from the University of Texas at Austin with a Bachelor of Business Administration, Finance. She later appeared in the Brisbane and Sydney seasons of Mamma Mia!. Before her stint with Hi-5, she toured with the live act BPM - Beats Per Minute that fused funk, rock, jazz and hip hop music, and worked with the Australian band Rogue Traders, alongside Natalie Bassingthwaighte.

In 2006, she was hired as a temporary replacement for entertainer Kathleen de Leon Jones in the children's entertainment group Hi-5, and was announced as a permanent replacement in 2007 when de Leon Jones confirmed she would not be returning to the group. In December 2008, Park announced that she would be leaving Hi-5 after less than three years with the group in order to concentrate on settling down and starting a family. She also expressed that she felt she was only ever meant to be a temporary replacement for Kathleen. Park's final performance with the group was at the 2008 Carols by Candlelight. ^{[citation needed]}

In 2021, Park was named in the cast for ABC drama Troppo.^[2]

Park told the media in 2008 that she was going to settle down and focus on starting a family after finishing her work with Australian children's entertainment group Hi-5. In 2009 she married business development worker Nathan Pezzimenti. ^{[citation needed]}