Alena Saili (born 13 December 1998) is a New Zealand rugby sevens player. Saili joined the Black Ferns Sevens in 2017. She won a gold medal at the 2018 Commonwealth Games. She competed at the 2020 Summer Olympics and won a gold medal. Saili was named in the Black Ferns Sevens squad for the 2022 Commonwealth Games in Birmingham. She won a bronze medal at the event. She was part of the Black Ferns sevens team that won a silver medal at the Rugby World Cup Sevens in Cape Town.