|Full name||Sergio Cirio Olivares|
|Date of birth||9 March 1985|
|Place of birth||Barcelona, Spain|
|Height||1.63 m (5 ft 4 in)|
|Playing position||Striker / Winger|
|2005||→ Mallorca B (loan)||12||(1)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 16 December 2014.
† Appearances (Goals).
Born in Barcelona, Catalonia, Cirio was a FC Barcelona youth graduate at La Masia, and spent his professional career in his country in the lower leagues, mainly Segunda División B. He started his senior spell with local CF Badalona, and in the 2007–08 season played with Atromitos F.C. from Greece, being relegated from the Superleague.
On 8 July 2013, Cirio left CE L'Hospitalet and signed a two-year contract with Adelaide United FC from the A-League. He scored his first goal for the club on 18 October, netting from a penalty kick in a 2–2 draw against Melbourne Victory FC.
- As of 2 November 2014
|Orihuela||2008–09||Segunda División B||10||1||0||0||—||10||1|
|Hospitalet||2010–11||Segunda División B||31||13||2||1||—||33||14|
- "Reds Spanish Armada about to arrive". Football Federation Australia. 8 July 2013. Retrieved 8 July 2013.
- "Victory fight back for a draw". The Sydney Morning Herald. 18 October 2013. Retrieved 26 October 2013.
- "Cirio". Soccerway. Retrieved 17 December 2014.
- Includes Copa del Rey
- Includes AFC Champions League