Sem Westerveld (born 18 July 2002) is a Dutch professional footballer who plays as a goalkeeper for Dutch club AZ Alkmaar.
Westerveld made his professional debut with Jong AZ in a 1–0 Eerste Divisie loss to Roda on 4 January 2021.
[1] On 18 June 2021, he signed his first professional contract with AZ Alkmaar for three years.
[2] Westerveld's father Sander Westerveld and grandfather Hennie Ardesch were also professional football goalkeepers.
[3] Sem was born in San Sebastián, Spain while his father was playing for Real Sociedad.