|Full name||Carles Aleñá Castillo|
|Date of birth||5 January 1998|
|Place of birth||Mataró, Spain|
|Height||1.80 m (5 ft 11 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 04:15, 17 April 2018 (UTC)|
Born in Mataró, Barcelona, Catalonia, Aleñá moved to FC Barcelona's youth system, La Masia, in 2005 at the age of 7, after a successful trial. Highly rated by the club, he made his debut with the reserves on 29 August 2015, coming on as a late substitute for David Babunski in a 0–0 Segunda División B home draw CF Pobla de Mafumet.
Aleñá was first included in Barcelona's main squad on 10 February 2016, remaining an unused substitute in their 1–1 away draw against Valencia CF in the second leg of Copa del Rey semi-finals. He made his first team debut on 30 November of that year, starting and scoring the equalizer in an away draw against Hércules CF for the same scoreline, in the same competition.
Aleñá made his La Liga debut on 2 April 2017, coming on as a second-half substitute for Ivan Rakitić in a 4–1 away routing of Granada CF. On 28 June, he signed a three-year professional deal with Barcelona, including a release clause of €75 million. In July 2018, he was nominated for the prestigious Golden Boy award.
- As of 17 April 2018
|Club||Season||League||Copa del Rey||Europe||Other||Total|
|Barcelona B||2015–16||Segunda División B||14||1||—||14||1|
- All appearances in Segunda División B play-offs
- Carles Aleñá, uno de los elegidos (Carles Aleñá, one of the chosen); Mundo Deportivo, 14 September 2015 (in Spanish)
- Carles Aleñá, una excepción (Carles Aleñá, an exception); Mundo Deportivo, 5 April 2017 (in Spanish)
- Aleñá, el Maradona de la cantera (Aleñá, the Maradona of the youth system); Mundo Deportivo, 27 September 2012 (in Spanish)
- Así es Carles Aleñá, la nueva perla de la cantera azulgrana (So is Carles Aleñá, the new pearl of Barcelona's youth system); Marca, 19 February 2016 (in Spanish)
- Un penalti fallado en el 90' impide el primer triunfo del Barça B (A missed penalty in the 90th minute prevents the first triumph of Barça B); Sport, 29 August 2015 (in Spanish)
- Watch Carles Aleñá's stunning goal for Barcelona; UEFA, 24 November 2015
- "CD Eldense-Barça B: Derrota para cerrar el año (4-2)" [Eldense CD-Barça B: Defeat to end the year (4-2)] (in Spanish). 19 December 2015.
- FC Barcelona announce squad for Mestalla; FC Barcelona, 10 February 2016
- Barça salvage 1–1 King's Cup draw against improved Valencia; Reuters, 10 February 2016
- Otro petardazo del Barça (Another firecracker from Barça); Marca, 30 November 2016 (in Spanish)
- Carles Aleñá: un debut de cinco minutos (Carles Aleñá: a five-minute debut); Sport, 2 April 2017 (in Spanish)
- Carles Aleñá agrees to new FC Barcelona contract; FC Barcelona, 28 June 2017
- Carles Aleñá at Soccerway
- Carles Aleñá: "No me llamo Carles, me llamo Pivaldo" (Carles Aleñá: "My name is not Carles, call me Pivaldo"); Sport, 14 September 2015 (in Spanish)