Augustine Silvia Ejangue Siliki (born 19 January 1989) is a Cameroonian footballer who plays as a defender for Cameroonian club FC Ebolowa and the Cameroon women's national team. She previously played for Energiya Voronezh and WFC Rossiyanka of the Russian Top League, Arna-Bjørnar of the Norwegian eliteseein and also Danish Elitedivisionen club Fortuna Hjørring. She is a member of the Cameroonian national team, who she represented at the 2012 Summer Olympics and the 2015 and 2019 editions of the FIFA Women's World Cup.