|Full name||Lucas Alfonso Orbán Alegre|
|Date of birth||3 February 1989|
|Place of birth||Buenos Aires, Argentina|
|Height||1.84 m (6 ft 1⁄2 in)|
|Playing position||Left back|
|2011–2012||→ Tigre (loan)||18||(0)|
|2016||→ Levante (loan)||3||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 21 April 2016.
‡ National team caps and goals correct as of 7 May 2015
On 12 August 2011, after being sparingly used by River, Orbán was loaned to Tigre for the season. He appeared regularly for the latter, and scored his first professional goal on 19 August 2013, but in a 2–3 loss against former club River.
On 31 July 2013 Orban signed a four-year deal with Ligue 1 side Girondins de Bordeaux. He made his debut in the competition on 13 September, starting in a 0–2 home loss against Paris Saint-Germain.
On 11 August 2014, Orbán signed a five-year deal with La Liga's Valencia CF. He made his debut in the competition on 23 August, coming on as a late substitute and scoring an equaliser in a 1–1 away draw against Sevilla FC.
On 13 November 2013, Orbán was called up to Argentina national football team by manager Alejandro Sabella, for the matches against Ecuador and Bosnia and Herzegovina. He made his international debut two days later, starting in a 0–0 draw. On March 28, 2015 he earned his 2nd cap in a 2-0 win over El Salvador.
- Se quedó con el devaluado clásico (The derby remained devalued); ESPN Deportes, 24 May 2009 (Spanish)
- Orban jugará en Tigre (Orban will play in Tigre); Taringa!, 12 August 2011 (Spanish)
- River pisó fuerte en Victoria: 3-2 a Tigre (River stepped into victory: 3–2 against Tigre); ESPN Deportes, 19 August 2013 (Spanish)
- Transfer - Lucas Orban signs for Bordeaux!; Bordeaux's official website, 31 July 2013
- Bordeaux 0–2 Paris SG; L'Équipe, 13 September 2013 (French)
- Comunicado Oficial: Lucas Orban (Official announcement: Lucas Orban); Valencia's official website, 11 August 2014 (Spanish)
- "Punto de fe del Valencia" [Valencia's faith point] (in Spanish). Marca. 23 August 2014. Retrieved 3 September 2014.
- "VCF Official Statement Loan of Lucas Orban". Valencia's official website. 31 January 2016. Retrieved 26 February 2016.
- "Lucas Orbán ha firmato per il club" [Lucas Orbán signed for the club] (in Italian). Genoa C.F.C. 31 August 2016. Retrieved 31 August 2016.
- Com novidades, Sabella divulga lista de convocados da Argentina (With news, Sabella announces Argentina's call up); Vavel, 13 November 2013 (Portuguese)
- La Selección, sin Messi, igualó con Ecuador en la gira por Estados Unidos (The national team, without Messi, drew with Ecuador in the trip in United States); Télam, 16 November 2013 (Spanish)