| Sergio Arenas | |
| Fullname: | Sergio Arenas Llagostera |
| Birth Date: | 11 March 1989 |
| Birth Place: | Albacete, Spain |
| Height: | 1.85 m |
| Position: | Goalkeeper |
| Youthclubs1: | Albacete |
| Years1: | 2009–2010 |
| Years2: | 2009 |
| Caps2: | 1 |
| Goals2: | 0 |
| Years3: | 2010–2012 |
| Caps3: | 13 |
| Goals3: | 0 |
| Years4: | 2012–2013 |
| Caps4: | 22 |
| Goals4: | 0 |
| Years5: | 2013–2015 |
| Caps5: | 72 |
| Goals5: | 0 |
| Years6: | 2015–2016 |
| Caps6: | 29 |
| Goals6: | 0 |
| Years7: | 2016–2018 |
| Caps7: | 52 |
| Goals7: | 0 |
| Years8: | 2018–2019 |
| Clubs8: | Atlético Tomelloso |
| Caps8: | 29 |
| Goals8: | 0 |
| Years9: | 2019–2020 |
| Caps9: | 9 |
| Goals9: | 0 |
| Club-Update: | 29 October 2020 |
Sergio Arenas Llagostera (born 11 March 1989) is a Spanish footballer who plays as a goalkeeper.
Born in Albacete, Castile-La Mancha, Arenas represented Albacete Balompié as a youth. After making his senior debut with the reserves in Tercera División in 2009, he made his first team debut on 24 October of that year in a 0–4 Segunda División away loss against UD Las Palmas; he replaced field player Juanmi Callejón as Jesús Cabrero was sent off, and also saved a penalty kick.[1]
In 2010, Arenas moved to another reserve team, Getafe CF B in Segunda División B. On 14 July 2012, he returned to Albacete and its B-side, and featured regularly during the season.[2]
On 13 July 2013, Arenas signed for UD Almansa also in the fourth division.[3] On 10 July 2015, after two years as an undisputed starter, he joined fellow league team CD Badajoz.[4]
On 23 July 2016, Arenas agreed to a contract with CF Talavera de la Reina in the fourth tier.[5] He was a first-choice during his first campaign, as his side achieved promotion to the third level.
In 2019, Arenas joined to Japanese club Suzuka Unlimited. He was released at the end of 2020 season.[6]