Debutants
Mursio Ribas is the youngest debutant in La Vuelta ciclista a España in 1981. There are 41 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | RIBAS Mursio | Peña Hermanos Manzaneque - Alan | 20y + 7d |
| 2 | PRIETO Celestino | Kelme - Gios | 20y + 82d |
| 3 | ECHAVE Federico | Teka | 20y + 275d |
| 4 | MENTHÉOUR Pierre-Henri | Miko - Mercier - Vivagel | 20y + 347d |
| 5 | BONTEMPI Guido | Inoxpran | 21y + 99d |
| 6 | PERINI Giancarlo | Inoxpran | 21y + 140d |
| 7 | LE BIGAUT Pierre | Miko - Mercier - Vivagel | 21y + 216d |
| 8 | VONK Hans | HB Alarmsystemen | 21y + 249d |
| 9 | GRONDIN Hugues | Peña Hermanos Manzaneque - Alan | 21y + 258d |
| 10 | OTIN Luis Vicente | Reynolds - Galli | 21y + 343d |
| 11 | VICHOT Frédéric | Miko - Mercier - Vivagel | 21y + 355d |
| 12 | COLL Antonio | Colchón CR - Velasquez Seguros - Campagnolo | 22y + 15d |
| 13 | CAMARILLO Angel | Zor - Helios - Novostil | 22y + 41d |
| 14 | DE LA PEÑA Guillermo | Zor - Helios - Novostil | 22y + 56d |
| 15 | HERNÁNDEZ Carlos | Reynolds - Galli | 22y + 115d |
| 16 | CABRERO José Antonio | Zor - Helios - Novostil | 22y + 243d |
| 17 | VAN MEER Jacques | HB Alarmsystemen | 22y + 338d |
| 18 | ANDERSEN Kim | Miko - Mercier - Vivagel | 23y + 70d |
| 19 | RUBIO Vivencio | Colchón CR - Velasquez Seguros - Campagnolo | 23y + 158d |
| 20 | VAN DONGEN Wies | HB Alarmsystemen | 23y + 195d |
| 21 | REVOUL Marc | Miko - Mercier - Vivagel | 23y + 240d |
| 22 | DAL PIAN Alfonso | Inoxpran | 23y + 247d |
| 23 | DE LAS HERAS Ángel | Peña Hermanos Manzaneque - Alan | 23y + 276d |
| 24 | TEIXEIRA José | Peña Hermanos Manzaneque - Alan | 23y + 289d |
| 25 | GUZMAN Jesus | Kelme - Gios | 23y + 326d |
| 26 | CUELI Faustino | Teka | 24y + 107d |
| 27 | MORO Luigino | Inoxpran | 24y + 157d |
| 28 | BAUSAGER Per | Inoxpran | 24y + 227d |
| 29 | PINO Álvaro | Colchón CR - Velasquez Seguros - Campagnolo | 24y + 247d |
| 30 | CLÈRE Régis | Miko - Mercier - Vivagel | 24y + 249d |
| 31 | SELANDER Dag | HB Alarmsystemen | 25y + 151d |
| 32 | SGALBAZZI Amilcare | Inoxpran | 25y + 314d |
| 33 | LEBAUD Didier | Miko - Mercier - Vivagel | 26y + 140d |
| 34 | LORO Luciano | Inoxpran | 26y + 165d |
| 35 | THÉVENARD Patrice | Miko - Mercier - Vivagel | 26y + 178d |
| 36 | BITTINGER René | Miko - Mercier - Vivagel | 26y + 194d |
| 37 | OBERSON Gerald | Miko - Mercier - Vivagel | 26y + 207d |
| 38 | CEDENA Francisco Javier | Colchón CR - Velasquez Seguros - Campagnolo | 27y + 39d |
| 39 | BATTAGLIN Giovanni | Inoxpran | 29y + 273d |
| 40 | MARCUSSEN Jørgen | Inoxpran | 30y + 341d |
| 41 | CHINETTI Alfredo | Inoxpran | 31y + 284d |