| Billy Keraf | |
| Fullname: | Fulgensius Billy Paji Keraf |
| Birth Date: | 8 May 1997 |
| Birth Place: | Maumere, Indonesia |
| Height: | [1] |
| Position: | Winger |
| Youthclubs1: | ASIOP Apacinti |
| Years1: | 2017–2019 |
| Clubs1: | Persib Bandung |
| Caps1: | 25 |
| Goals1: | 5 |
| Years2: | 2018 |
| Clubs2: | → Borneo (loan) |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 2019 |
| Clubs3: | Badak Lampung |
| Caps3: | 9 |
| Goals3: | 0 |
| Years4: | 2020 |
| Clubs4: | Kalteng Putra |
| Caps4: | 1 |
| Goals4: | 1 |
| Years5: | 2021 |
| Clubs5: | Persita Tangerang |
| Caps5: | 5 |
| Goals5: | 0 |
| Years6: | 2022 |
| Caps6: | 3 |
| Goals6: | 0 |
| Nationalyears1: | 2014 |
| Nationalyears2: | 2019 |
| Nationalteam2: | Indonesia U23 |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
| Pcupdate: | 18 September 2022 |
Fulgensius Billy Paji Keraf (born 8 May 1997) is an Indonesian professional footballer who plays as a winger.
Keraf made his professional debut in the Liga 1 on 22 April 2017, against PS TNI. He appeared during the first half to substitute Angga Febryanto at 35 minutes. Keraf provided one assist to Atep Rizal in the 53rd minute.
On 3 May 2017, he scored his first goal against Gresik United in injury time, securing Persib Bandung a 1–0 win over hosts Gresik United.
Keraf was signed for Borneo to play in the Liga 1 in the 2018 season, on loan from Persib Bandung. Keraf made his debut on 20 July 2018 in a match against PS TIRA. On 10 November 2018, Keraf scored his first goal for Borneo against PSIS Semarang in the 14th minute at the Segiri Stadium, Samarinda.[2]
He was signed for Badak Lampung to play in the Liga 1 in the 2019 season.[3] Keraf made his debut on 21 June 2019 in a match against Semen Padang at the Haji Agus Salim Stadium, Padang.[4]
In 2020, Billy Keraf signed a one-year contract with Indonesian Liga 2 club Kalteng Putra. This season was suspended on 27 March 2020 due to the COVID-19 pandemic. The season was abandoned and was declared void on 20 January 2021.[5]
Keraf was signed for Persita Tangerang to play in the Liga 1 in the 2021 season. He made his league debut on 28 August 2021 in a match against Persipura Jayapura at the Pakansari Stadium, Cibinong.[6]
Indonesia U-23