| 35.675 | Nélson OliveiraFarense | Farense | Atacant | 35 | 125 K € |
| 35.675 | Oalex AndersonLas Vegas Lights FC⚽ | Las Vegas Lights FC | Atacant | 30 | 125 K € |
| 35.675 | Octavio PazAlebrijes Oaxaca | Alebrijes Oaxaca | Portar | 30 | 125 K € |
| 35.675 | OA Odai AbdulghaniAl-Kholood | Al-Kholood | Fundaș | — | 125 K € |
| 35.675 | Ofek OvadiaHapoel Ramat Gan | Hapoel Ramat Gan | Mijlocaș | 25 | 125 K € |
| 35.675 | Ofir DavidzadaHapoel Be'er Sheva | Hapoel Be'er Sheva | Fundaș | 35 | 125 K € |
| 35.675 | Ognen JakovVardar | Vardar | Atacant | — | 125 K € |
| 35.675 | Ognjen AlempijevicFK Borac 1926 Cacak | FK Borac 1926 Cacak | Atacant | 19 | 125 K € |
| 35.675 | OD Ognjen DjuricFK Metalac Gornji Milanovac | FK Metalac Gornji Milanovac | Mijlocaș | 22 | 125 K € |
| 35.675 | Ognjen KrsmanovićMladost Lučani | Mladost Lučani | Atacant | 21 | 125 K € |
| 35.675 | Ognjen ĐinovićSutjeska Nikšić | Sutjeska Nikšić | Fundaș | 23 | 125 K € |
| 35.675 | Ohi OmoijuanfoChangchun Yatai | Changchun Yatai | Atacant | 32 | 125 K € |
| 35.675 | OC Okan ChatziterzoglouASA Târgu Mureș | ASA Târgu Mureș | Fundaș | 30 | 125 K € |
| 35.675 | Oktaj RakipiTikvesh | Tikvesh | Mijlocaș | 23 | 125 K € |
| 35.675 | OR Ola RajiFC Silon Táborsko | FC Silon Táborsko | Atacant | 19 | 125 K € |
| 35.675 | OO Oladotun OlatundeGrobiņa | Grobiņa | Mijlocaș | 20 | 125 K € |
| 35.675 | Olaf BárdarsonSandnes Ulf | Sandnes Ulf | Mijlocaș | 23 | 125 K € |
| 35.675 | Oleksandr ChobitkoKudrivka | Kudrivka | Portar | 19 | 125 K € |
| 35.675 | Oleksandr DomolehaLivyi Bereh Kyiv | Livyi Bereh Kyiv | Portar | 23 | 125 K € |
| 35.675 | Oleksandr SafronovKispest Honvéd | Kispest Honvéd | Fundaș | 27 | 125 K € |
| 35.675 | OV Oleksandr VorobeyGagra | Gagra | Portar | 31 | 125 K € |
| 35.675 | Oliver AniFCI Levadia | FCI Levadia | Portar | 28 | 125 K € |
| 35.675 | Oliver KangaslahtiTartu Tammeka | Tartu Tammeka | Fundaș | 26 | 125 K € |
| 35.675 | OS Oliver Svenungsen SkauOdds Ballklubb | Odds Ballklubb | Fundaș | 20 | 125 K € |
| 35.675 | OV Oliver VestFredericia | Fredericia | Fundaș | 19 | 125 K € |
| 35.675 | Olivér DinnyésSzentlőrinc | Szentlőrinc | Fundaș | 26 | 125 K € |
| 35.675 | Oliwier SzymoniakMiedź Legnica | Miedź Legnica | Fundaș | 19 | 125 K € |
| 35.675 | Omar Al-SharariAl-Orobah FC | Al-Orobah FC | Atacant | 23 | 125 K € |
| 35.675 | Omar AliAl-Shamal | Al-Shamal | Mijlocaș | 34 | 125 K € |
| 35.675 | Omar JebaliMoss | Moss | Fundaș | 26 | 125 K € |
| 35.675 | Omar KočarPuszcza Niepołomice | Puszcza Niepołomice | Mijlocaș | 25 | 125 K € |
| 35.675 | OS Omar SarrAnderlecht Futures | Anderlecht Futures | Mijlocaș | 18 | 125 K € |
| 35.675 | Omer ItzhakHapoel Ramat Gan | Hapoel Ramat Gan | Fundaș | 25 | 125 K € |
| 35.675 | Ondrej SchovanecKarviná | Karviná | Portar | 20 | 125 K € |
| 35.675 | Ondrej ZezulkaČeská Lípa | Česká Lípa | Fundaș | 28 | 125 K € |
| 35.675 | OM Onke MoletsheMarumo Gallants | Marumo Gallants | Mijlocaș | 26 | 125 K € |
| 35.675 | OH Orelien Ekanga Ondoa HyppoliteSporting Covilhã | Sporting Covilhã | Atacant | — | 125 K € |
| 35.675 | Oresti RifaDinamo City | Dinamo City | Atacant | — | 125 K € |
| 35.675 | Orestis KalemiZemplín Michalovce | Zemplín Michalovce | Mijlocaș | 20 | 125 K € |
| 35.675 | Orges BunjakuWil | Wil | Mijlocaș | 25 | 125 K € |
| 35.675 | Orgest OrmenajAthens Kallithea FC | Athens Kallithea FC | Mijlocaș | 21 | 125 K € |
| 35.675 | Orken NuraliUlytau | Ulytau | Atacant | 20 | 125 K € |
| 35.675 | OV Orlando ViterittiGuidonia Montecelio | Guidonia Montecelio | Fundaș | 32 | 125 K € |
| 35.675 | Orri Hrafn KjartanssonKR | KR | Mijlocaș | 24 | 125 K € |
| 35.675 | Osama Al-MermeshAl-Ittihad | Al-Ittihad | Portar | 23 | 125 K € |
| 35.675 | Oscar CaicedoBoyacá Chicó | Boyacá Chicó | Mijlocaș | 20 | 125 K € |
| 35.675 | Oscar HäggströmTPS | TPS | Fundaș | 22 | 125 K € |
| 35.675 | Oskar CasagrandeSpartak Trnava | Spartak Trnava | Portar | 18 | 125 K € |
| 35.675 | OO Oskar Dæhli OppedalStabæk | Stabæk | Atacant | 18 | 125 K € |
| 35.675 | Oskar HõimPaide Linnameeskond | Paide Linnameeskond | Mijlocaș | 21 | 125 K € |