Samasoni Mose Hewitt, born on 27 December 2006, is a Cook Islands high jumper who previously competed for New Zealand and made his Commonwealth Games debut in Glasgow in 2026.

World Athletics lists him as eligible for New Zealand until 2 March 2025 and for the Cook Islands in national representative competition from 3 March 2025. He is New Zealand-based. He told ABC Pacific that he started high jumping at about eight, introduced by his father, whom he called his reason for staying in the sport. Athletics Cook Islands has also named Senira Hewitt, a shot-putter, among its athletes.

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