David Cedric Yannick Evina-Si (born 16 November 1991) is a Cameroonian footballer who plays for Notts County as a defender or midfielder.
As a nine-year-old playing district football in Barnet, Evina was invited by Liam Brady's scouting team for a trial. He then signed up and made his way up through the club's youth teams. He signed professional terms with the club in August 2009 and then followed this up with captaining the club's 2009–10 FA Youth Cup side,