Rellie Kaputin (born March 12, 1993) is a Papua New Guinean track and field athlete who specializes in the jumps. She competed at the 2020 Summer Olympics, in Women's long jump.
She studied at West Texas A&M University.
She currently holds the national records for the high jump, long jump, and triple jump events. In 2017, Kaputin competed at the 2017 World Championships in London, Great Britain jumping 5 meters 59 in the long jump qualification round without advancing to the final.