| Frederik Carstensen | |
| Fullname: | Frederik Carstensen |
| Birth Date: | 9 April 2002 |
| Birth Place: | Virklund, Denmark |
| Height: | 1.80 m |
| Position: | Winger |
| Currentclub: | Sarpsborg 08 |
| Clubnumber: | 16 |
| Youthclubs1: | Virklund BK |
| Youthclubs2: | Silkeborg |
| Years1: | 2021–2024 |
| Clubs1: | Silkeborg |
| Caps1: | 8 |
| Goals1: | 1 |
| Years2: | 2022–2023 |
| Clubs2: | → Fredericia (loan) |
| Caps2: | 20 |
| Goals2: | 5 |
| Years3: | 2023–2024 |
| Clubs3: | → Fredericia (loan) |
| Caps3: | 20 |
| Goals3: | 3 |
| Years4: | 2024– |
| Clubs4: | Sarpsborg 08 |
| Caps4: | 2 |
| Goals4: | 0 |
| Nationalyears1: | 2018 |
| Nationalteam1: | Denmark U-16 |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2018–2019 |
| Nationalteam2: | Denmark U-17 |
| Nationalcaps2: | 16 |
| Nationalgoals2: | 3 |
| Nationalyears3: | 2019–2020 |
| Nationalteam3: | Denmark U-18 |
| Nationalcaps3: | 4 |
| Nationalgoals3: | 1 |
| Club-Update: | 3 June 2024 |
Frederik Carstensen (born 9 April 2002) is a Danish professional footballer who plays as a winger for Norwegian Eliteserien club Sarpsborg 08 FF.
Carstensen joined Silkeborg IF at the age of 12 from Virklund Boldklub. In November 2019, Carstensen signed a three-year contract extension with Silkeborg.[1] In July 2020, he signed a new contract again, this time until June 2024.[2]
Carstensen worked his way up through Silkeborg's youth sector and got his official debut for the club on 14 February 2021 against Hvidovre IF in the Danish 1st Division.[3] He made one more appearance in the 1st Division, before he in April 2021 got a fatigue fracture in his foot, which kept him out until August 2021.[4]
Silkeborg was promoted to the 2021-22 Danish Superliga. Carstensen got his debut in the highest football league in Denmark on 31 October 2021 against SønderjyskE.[5] On 18 February 2022, Carstensen signed a new long-term deal with Silkeborg, until June 2026.[6] On 30 August 2022, Carstensen was loaned out to Danish 1st Division side FC Fredericia until the end of the 2022-23 season.[7] At the end of August 2023, Carstensen returned to FC Fredericia.[8] In the summer of 2024, Carstensen returned to Silkeborg.[9]
On July 23, 2024, the Norwegian Eliteserien club Sarpsborg 08 FF confirmed that they had bought Carstensen from Silkeborg and signed him to a contract until the end of 2028.[10] He made his debut for Sarpsbog on 4 August 2024 against Sandefjord.[11]
Frederik Carstensen's older brother, Rasmus Carstensen, is also a professional footballer.[12]