| Rangi | |
| Fullname: | Othman Yahya Alhaj Hassan |
| Birth Date: | 14 July 1994 |
| Birth Place: | Jeddah, Saudi Arabia |
| Height: | 1.83m |
| Position: | Striker |
| Currentclub: | Al-Khaldiya |
| Clubnumber: | 26 |
| Years1: | 2018–2019 |
| Caps1: | 15 |
| Goals1: | 9 |
| Clubs1: | Jeddah |
| Years2: | 2019–2022 |
| Caps2: | 5 |
| Goals2: | 1 |
| Clubs2: | Al-Ahli |
| Years3: | 2019–2020 |
| Caps3: | 14 |
| Goals3: | 1 |
| Clubs3: | → Al-Fayha (loan) |
| Years4: | 2021–2022 |
| Caps4: | 20 |
| Goals4: | 0 |
| Clubs4: | → Al-Ain (loan) |
| Years5: | 2022–2023 |
| Caps5: | 20 |
| Goals5: | 9 |
| Clubs5: | Sitra |
| Years6: | 2023– |
| Caps6: | 0 |
| Goals6: | 0 |
| Clubs6: | Al-Khaldiya |
| Club-Update: | 9 May 2023 |
Othman Yahya Alhaj Hassan (Arabic: عثمان يحيى الحاج حسن; born 7 January 1994), commonly known as Rangi, is a Saudi Arabian-born Chadian professional footballer who plays as a striker for Bahraini club Al-Khaldiya.[1]
On 7 September 2022, Alhaj joined Bahraini side Sitra on a free transfer.[2] On 8 July 2023, Alhaj joined Al-Khaldiya.[3]