Joan Sastre Vanrell (Catalan pronunciation: [ʒuˈan ˈsastɾə]; born 30 April 1997) is a Spanish professional footballer who plays for Greek Super League club PAOK as a right back.

Born in Porreres, Majorca, Balearic Islands,[1] Sastre graduated from local RCD Mallorca's youth system, and made his senior debuts with the reserves in the 2014–15 campaign, in Segunda División B.

On 10 September 2015, he made his first team debut, starting in a 2–0 home loss against Huesca, for the season's Copa del Rey.

[6] Sastre scored his first professional goal on 3 January 2021, netting his team's second in a 2–2 Segunda División away draw against Real Oviedo.

On 12 January 2022, PAOK FC officially announced the acquisition of Sastre from Mallorca on loan for the remainder of the season, with an option to buy.