Riza Raquel Santos (born August 30, 1986) is a Filipino-Canadian beauty queen and soldier. She mentioned that her military career is influenced by her grandparents. She competed under the Canadian flag in the Miss Earth 2006 pageant. She is playing for Bantay Bata, ABS-CBN Foundation's charitable institution. On Day 84, she was proclaimed the second placer of Pinoy Big Brother Celebrity Edition 2.