Reykjavík #21 
Transfers
| Date | Player | From team | To team | Transfer fee |
|---|---|---|---|---|
| may 2 2024 |  A. Seregin | au p'tit bonheur | Reykjavík #21 (On loan) | (RSD177 518) |
| march 11 2024 | S. Guðbergursson | Reykjavík #21 | None | RSD83 345 |
| march 10 2024 |  U. Wallo | Reykjavík #21 | None | RSD879 916 |
| january 18 2024 | P. Steinmannsson | Reykjavík #21 | None | RSD28 325 |
| december 27 2023 |  A. Andreassen |  Internazionale Milano（KR） | Reykjavík #21 | RSD9 902 887 |
| november 27 2023 | A. Þórbergursson | Reykjavík #21 | None | RSD44 128 |
| november 7 2023 | Á. Ísólfursson | Reykjavík #21 | None | RSD23 385 |
| november 6 2023 | P. Orfeusson | Reykjavík #21 | None | RSD25 012 |
| november 4 2023 | B. Ludvigsson | Reykjavík #21 | None | RSD105 800 |
| october 14 2023 | V. Pellonpaa | Hurrigames RockStars | Reykjavík #21 | RSD4 766 138 |
| october 11 2023 | T. Albrechtsen |  Chichester City | Reykjavík #21 (On loan) | (RSD90 070) |
| september 13 2023 | J. Sýrusson | Reykjavík #21 | None | RSD26 950 |
| august 25 2023 | U. Wallo |  FC Hommelvik | Reykjavík #21 | RSD1 085 583 |
| august 17 2023 | C. Hólmfastursson | Reykjavík #21 | None | RSD23 592 |
| august 17 2023 | J. Lyse |  FC Reņģu bendes | Reykjavík #21 | RSD6 123 090 |
| august 16 2023 | J. Myrkvisson | Reykjavík #21 | None | RSD20 399 |
| august 15 2023 | H. Theódórsson | Reykjavík #21 | None | RSD16 939 |
| july 23 2023 | K. Bessisson | Reykjavík #21 | None | RSD808 413 |
| may 9 2023 | G. Vilhjálmursson | au p'tit bonheur | Reykjavík #21 | RSD18 200 576 |
| march 12 2023 | E. Lérsson | Reykjavík #21 | None | RSD21 741 |
| february 19 2023 | H. Arentsson | Reykjavík #21 | None | RSD21 175 |
| january 22 2023 | B. Gamalíelsson | Reykjavík #21 | None | RSD41 238 |
| january 20 2023 | L. Lauridsen | Ønslev FC | Reykjavík #21 (On loan) | (RSD138 889) |
| january 20 2023 | J. Fannarsson | Reykjavík #21 | None | RSD17 543 |
| august 26 2022 | J. Falkenberg |  Real Olbap | Reykjavík #21 (On loan) | (RSD475 380) |