Katrina Jacqueline Rivera Guillou (born December 19, 1993) is a professional women's footballer who plays as an attacking midfielder or forward for the USL Super League club DC Power.

Guillou was born to a Filipino mother, Lorna (née Rivera), and a French father, Yves Guillou, in Washington, D.C.[2][3] A native of Fort Washington, Maryland, she attended the Bishop Ireton High School in Virginia for her secondary studies and later the University of North Carolina Wilmington (UNCW) for her collegiate studies.

[2] From 2012 to 2015, Guillou played for the UNC Wilmington Seahawks women's soccer (football) team which competes in the Colonial Athletic Association Division 1.

She appeared in 13 matches in the regular season and helped Lugano advance to the playoffs where she played one more game in the final round of 2016–17 Nationalliga A.

[8] In 2018, Guillou returned to Finland signing with former club Oulu Nice Soccer until the end of 2018 Naisten Liiga season where she scored 6 goals in 15 matches.

[18] Guillou made her first cap for the Philippines in the national team's 1–0 win against Thailand at the 2022 AFC Women's Asian Cup.