Beatriz Manchón Portillo (born 29 May 1976 in Sevilla) is a Spanish sprint canoeist who has competed since the mid-1990s. She won fifteen medals at the ICF Canoe Sprint World Championships with two golds (K-2 200 m: 1999, 2002), three silvers (K-2 200 m: 2003, K-4 200 m: 2002, 2003), and ten bronzes (K-2 200 m: 1998, K-2 500 m: 1997, 2001, 2002; K-2 1000 m: 2001, K-4 500 m: 1997, 1998, 2002, 2003, 2009).
Manchón also competed in four Summer Olympics, earning her best finish of fifth on three occasions (2004: K-2 500 m, K-4 500 m; 2008: K-4 500 m).