Xenia Peni (born February 28, 1983) is a Papua New Guinean former swimmer, who specialized in breaststroke events.

[1] Peni represented Papua New Guinea, as a 17-year-old, at the 2000 Summer Olympics, where she became the nation's first female flag bearer in the opening ceremony.

[2] Peni competed only in the women's 100 m breaststroke at the 2000 Summer Olympics in Sydney.

[3][4] She challenged seven other swimmers in heat two, including Bolivia's 26-year-old Katerine Moreno and Angola's Nádia Cruz, who competed in her fourth Olympic Games at age 25.

This biographical article related to a Papua New Guinean swimmer is a stub.