Ryan Isaac Mendes da Graça (born 8 January 1990) is a Cape Verdean professional footballer who plays as a winger for Süper Lig club Fatih Karagümrük and the Cape Verde national team.
He spent most of his club career in France with Le Havre and Lille, and in the UAE Pro League with Sharjah and Al-Nasr. He also had brief spells in England's Championship with Nottingham Forest, and the Turkish Süper Lig with Kayserispor.
Mendes made his senior international debut for Cape Verde in 2010, earning over 50 caps. He represented the nation at the Africa Cup of Nations in 2013, 2015 and 2021.