*Club domestic league appearances and goals, correct as of 22:21, 7 December 2024 (UTC) ‡ National team caps and goals, correct as of 22:28, 25 November 2023 (UTC)
Housni first made headlines with PSG's under-19s on 1 October 2022, scoring a double hat-trick against Reims in the Championnat National U19, as his side won 9–0 at home.[2][6] Four days later, he proved to be also decisive in the UEFA Youth League, scoring the only goal of a 1–0 away win to Benfica, against a side that included most of the players that won the previous edition.[7][3] On 21 December 2022, Housni scored his first two goals with Paris Saint-Germain's senior team in a 3–1 friendly win over Quevilly-Rouen at the Camp des Loges.[8] He signed his first professional contract with PSG on 30 December, committing to a deal until 30 June 2026.[9] On 6 January 2023, Housni made his professional debut during a 3–1 away Coupe de France win over Châteauroux, coming on as a late replacement for Carlos Soler.[10][11] He made his Ligue 1 debut as a substitute in a 3–1 defeat away to Monaco on 11 February.[12]
On 18 September 2023, Housni was loaned out to Qatar Stars League club Al Sadd for the 2023–24 season.[13] He scored his first league goal for the club in a 9–1 victory over Al Ahli.[14] On 28 August 2024, Housni signed for Ligue 1 club Le Havre on loan until the end of the season, with a club option to make the deal permanent for a reported fee of €2 million.[15]
An offensive-minded player, Housni is able to play in most positions of the attack, mainly playing as a centre-forward or a left-winger during his time at the PSG Academy.[5]
From an early age, he has been described as a player with great pace and execution, a smart forward good at attacking spaces and the depth of the field.[2][5]
^ abcdQuarez, Benjamin (5 October 2022). "Youth League : Ilyes Housni, la nouvelle attraction du PSG". Le Parisien (in French). Retrieved 7 October 2022. Pas vraiment une surprise. Plus une confirmation. « Physiquement, il n'était pas le plus aguerri, mais il avait déjà cette intelligence dans les déplacements, de la précision et une grande rapidité d'exécution », note Samy Guenfoud, qui l'a entraîné à Joinville des U 9 aux U 11, puis à la Jeunesse d'Aubervilliers avant son entrée au PSG en 2019.