The 34-year-old former Real Madrid star announced last month he would be leaving Schalke at the end of the season after two seasons in Gelsenkirchen.
Al Sadd announced on their website that he will be their player for the 2012-13 campaign. Raul is expected to be unveiled at a press conference on Sunday.
Photos: Kareena Kapoor Khan and Aamir Khan at Mumbai airport
Photos: SRK, wife Gauri, Aishwarya Rai, Shweta Bachchan at Vogue Awards
Photos: Harbhajan Singh-Geeta Basra's TV outing with daughter Hinaya
Photos: Malaika Arora flaunts ripped jeans like a boss!
Photos: Vaani Kapoor, Kriti Sanon, Dia Mirza sizzle on the ramp