Sandro Ramírez Castillo, known simply as Sandro, is a Spanish professional footballer who plays as a forward for Las Palmas.

Unión Deportiva Las Palmas, commonly referred to as UD Las Palmas or Las Palmas, is a professional football club based in Las Palmas de Gran Canaria, Canary Islands, Spain. The club competes in La Liga, the top division in the Spanish football league system. Nicknamed Los Amarillos, the club was founded on 22 August 1949 as a result of a merger between five clubs in the Canary region. The club initially played in the Estadio Insular before hosting their home matches at the Estadio de Gran Canaria in 2003.