Abbosbek Saydjon oʻgʻli Fayzullaev (born 3 October 2003) is an Uzbek professional footballer who plays as a winger for Russian Premier League club CSKA Moscow and the Uzbekistan national team.

[5] On August 19, he made his debut for his new club in a match against Dynamo Moscow (1:2), coming on as a substitute in the 87th minute.

[11] He was called up to the nation's under-23 squad in October 2021, for 2022 AFC U-23 Asian Cup qualification, and marked his debut with a goal against Bangladesh.

In the final against Iraq, he won the penalty which sealed the 1–0 victory for his side, as teammate Umarali Rahmonaliyev converted from the spot, giving Uzbekistan their first ever Under-20 Asian Cup title.

[19] Statistics accurate as of match played 19 November 2024[21] International goals Pakhtakor Tashkent Uzbekistan U20 Individual