Florencio Amarilla Lacasa (born 3 January 1935) is a Paraguayan former footballer. He played as a striker. Amarilla started his career in with Club Nacional in Paraguay before being transferred to Europe to play for teams like Elche CF and Real Oviedo of Spain. He was also part of the Paraguay national football team that qualified to the 1958 FIFA World Cup. In the qualifiers, Amarilla was Paraguay's top scorer with 3 goals and he was also the top scorer for Paraguay in the World Cup with 2 goals.