| Arthur Guilherme | |
| Fullname: | Arthur Guilherme de Sousa Fortunato |
| Birth Date: | 16 May 1994 |
| Birth Place: | Uberlândia, Brazil |
| Height: | 1.78 m |
| Currentclub: | Benfica |
| Clubnumber: | 10 |
| Position: | Winger |
| Youthclubs1: | FUTEL (football) |
| Youthclubs2: | Praia Clube |
| Youthclubs3: | UTC |
| Youthclubs4: | Praia Clube |
| Years1: | –2014 |
| Clubs1: | Praia Clube |
| Years2: | 2015–2016 |
| Years3: | 2017–2018 |
| Clubs3: | Magnus Futsal |
| Caps3: | 30 |
| Goals3: | 12 |
| Years4: | 2018–2020 |
| Clubs4: | Barcelona |
| Years5: | 2020– |
| Clubs5: | Benfica |
Arthur Guilherme de Sousa Fortunato (born 16 May 1994) is a Brazilian futsal player who plays for Portuguese club Benfica[1] and the Brazilian national futsal team[2] as a winger.