Debutants
Andrii Ponomar is the youngest debutant in Giro d'Italia in 2021. There are 58 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | PONOMAR Andrii | Androni Giocattoli - Sidermec | 18y + 245d |
| 2 | EVENEPOEL Remco | Deceuninck - Quick Step | 21y + 103d |
| 3 | SCHMID Mauro | Team Qhubeka ASSOS | 21y + 155d |
| 4 | JORGENSON Matteo | Movistar Team | 21y + 311d |
| 5 | ALEOTTI Giovanni | BORA - hansgrohe | 21y + 348d |
| 6 | TESFATSION Natnael | Androni Giocattoli - Sidermec | 21y + 350d |
| 7 | BATTISTELLA Samuele | Astana - Premier Tech | 22y + 175d |
| 8 | VENCHIARUTTI Nicola | Androni Giocattoli - Sidermec | 22y + 213d |
| 9 | COVI Alessandro | UAE Team Emirates | 22y + 222d |
| 10 | CARR Simon | EF Education - Nippo | 22y + 252d |
| 11 | VAN DEN BERG Lars | Groupama - FDJ | 22y + 305d |
| 12 | PRONSKIY Vadim | Astana - Premier Tech | 22y + 338d |
| 13 | CHAMPOUSSIN Clément | AG2R Citroën Team | 22y + 344d |
| 14 | RIVI Samuele | EOLO-Kometa | 22y + 362d |
| 15 | DEKKER David | Team Jumbo-Visma | 23y + 95d |
| 16 | ZOCCARATO Samuele | Bardiani-CSF-Faizanè | 23y + 119d |
| 17 | KANTER Max | Team DSM | 23y + 198d |
| 18 | TEJADA Harold | Astana - Premier Tech | 24y + 11d |
| 19 | STORER Michael | Team DSM | 24y + 69d |
| 20 | BERNAL Egan | INEOS Grenadiers | 24y + 115d |
| 21 | MÄDER Gino | Bahrain - Victorious | 24y + 124d |
| 22 | VAN DEN BERG Julius | EF Education - Nippo | 24y + 197d |
| 23 | VIVIANI Attilio | Cofidis | 24y + 202d |
| 24 | SCOTSON Callum | Team BikeExchange | 24y + 271d |
| 25 | ROCHAS Rémy | Cofidis | 24y + 355d |
| 26 | FORTUNATO Lorenzo | EOLO-Kometa | 24y + 364d |
| 27 | GOOSSENS Kobe | Lotto Soudal | 25y + 9d |
| 28 | DINA Márton | EOLO-Kometa | 25y + 27d |
| 29 | LEYSEN Senne | Alpecin - Fenix | 25y + 51d |
| 30 | LAFAY Victor | Cofidis | 25y + 111d |
| 31 | TAGLIANI Filippo | Androni Giocattoli - Sidermec | 25y + 267d |
| 32 | HERMANS Quinten | Intermarché - Wanty - Gobert Matériaux | 25y + 283d |
| 33 | MINALI Riccardo | Intermarché - Wanty - Gobert Matériaux | 26y + 19d |
| 34 | SEIGLE Romain | Groupama - FDJ | 26y + 209d |
| 35 | SCHULTZ Nick | Team BikeExchange | 26y + 237d |
| 36 | MOSCON Gianni | INEOS Grenadiers | 27y + 18d |
| 37 | VAN DER HOORN Taco | Intermarché - Wanty - Gobert Matériaux | 27y + 155d |
| 38 | SOLER Marc | Movistar Team | 27y + 167d |
| 39 | GROENEWEGEN Dylan | Team Jumbo-Visma | 27y + 321d |
| 40 | WALSCHEID Max | Team Qhubeka ASSOS | 27y + 329d |
| 41 | GABBURO Davide | Bardiani-CSF-Faizanè | 28y + 37d |
| 42 | GOUGEARD Alexis | AG2R Citroën Team | 28y + 64d |
| 43 | RIESEBEEK Oscar | Alpecin - Fenix | 28y + 136d |
| 44 | VERMEERSCH Gianni | Alpecin - Fenix | 28y + 170d |
| 45 | BUCHMANN Emanuel | BORA - hansgrohe | 28y + 171d |
| 46 | MERLIER Tim | Alpecin - Fenix | 28y + 190d |
| 47 | NAESEN Lawrence | AG2R Citroën Team | 28y + 253d |
| 48 | BADILATTI Matteo | Groupama - FDJ | 28y + 282d |
| 49 | MARENGO Umberto | Bardiani-CSF-Faizanè | 28y + 291d |
| 50 | KRIEGER Alexander | Alpecin - Fenix | 29y + 161d |
| 51 | DUCHESNE Antoine | Groupama - FDJ | 29y + 238d |
| 52 | DE BONDT Dries | Alpecin - Fenix | 29y + 308d |
| 53 | BEVIN Patrick | Israel Start-Up Nation | 30y + 82d |
| 54 | CHRISTIAN Mark | EOLO-Kometa | 30y + 169d |
| 55 | BARDET Romain | Team DSM | 30y + 180d |
| 56 | KREDER Wesley | Intermarché - Wanty - Gobert Matériaux | 30y + 185d |
| 57 | JANSSENS Jimmy | Alpecin - Fenix | 31y + 343d |
| 58 | PASQUALON Andrea | Intermarché - Wanty - Gobert Matériaux | 33y + 126d |