| Cafer Çağatay | |
| Position: | Left Back |
| Birth Date: | 1899 |
| Death Date: | 24 April 1991 |
| Death Place: | Kadıköy, Istanbul, Turkey |
| Clubs1: | Fenerbahçe |
| Clubs2: | Altınordu İdman Yurdu SK |
| Youthclubs3: | Fenerbahçe |
| Nationalteam1: | Turkey national football team |
| Years1: | 1915-1916 |
| Years2: | 1916-1918 |
| Nationalyears1: | 1923-1923 |
Ali Cafer Çağatay (1899 – 24 April 1991) was a Turkish football player.[1] He played as a left back for Fenerbahçe, Altınordu İdman Yurdu SK and the Turkey national football team. He was born in Kadıköy, Istanbul.
Çağatay played for Fenerbahçe in 1915-16[2] before joining Altınordu İdman Yurdu SK, with whom he won the 1916–17 and 1917-18 Istanbul Football League Championships.[3] In 1922 he rejoined Fenerbahçe, playing for the club until 1927.[2] With Fenerbahçe he won the 1922-23 Istanbul Football League Championship and the General Harington Cup.
He was included in the first squad of the Turkey national football team, who played against Romania on 26 October 1923.[4] He played 7 times for the national team,[5] and represented his country at the 1924 Summer Olympics.[6]
Çağatay graduated from Saint Joseph High School and Istanbul University, Faculty of Pharmacy.[7] He was the son of Turkish composer, oud virtuoso, and academic Ali Rıfat Çağatay who arranged the Turkish National Anthem.[8]