Williams Alarcón

Club

Boca Juniors

Position

Defensive Midfield

Nationality

Chile

Date of birth

2000-11-20

Birthplace

Conchalí, Santiago, Chile

Height

1.76 m (5 ft 9 in)

Shirt number

15

Williams Héctor Alarcón Cepeda (born 29 November 2000) is a Chilean footballer who plays as a midfielder for Argentine Primera División side Boca Juniors.

As a youth player, Alarcón was with club Juanita Aguirre from Conchalí, Santiago, before joining Colo-Colo, where he coincided with Rodrigo Ureña.

On 31 January 2023, Alarcón signed for Segunda División club Ibiza on loan from Unión La Calera until the end of the season with an option to buy.

Back to Unión La Calera, in August 2023 Alarcón signed with Argentine club Huracán until December 2026. In January 2025, he was transferred to Boca Juniors.

He represented Chile at under-23 level in the 2019 Toulon Tournament and the 1–0 win against Peru U23 on 31 August 2022, in the context of preparations for the 2023 Pan American Games.

At senior level, he made his debut in the friendly match against Morocco on 23 September 2022.

He is the son of the former footballer of the same name Williams Alarcón Fajardo, who was also a product of Colo-Colo youth system.