Debutants
Dietrich Thurau is the youngest debutant in Tour de France in 1977. There are 20 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | THURAU Dietrich | TI-Raleigh | 22y + 233d |
| 2 | ALFONSEL Bernardo | Teka | 23y + 126d |
| 3 | VALLET Bernard | Miko - Mercier - Hutchinson | 23y + 163d |
| 4 | BAZZO Pierre | Lejeune - BP | 23y + 164d |
| 5 | SCHEPMANS Benny | Frisol - Gazelle - Thirion | 23y + 193d |
| 6 | LUBBERDING Henk | TI-Raleigh | 23y + 330d |
| 7 | BERTIN Yvon | Miko - Mercier - Hutchinson | 24y + 82d |
| 8 | NICKSON Bill | TI-Raleigh | 24y + 151d |
| 9 | BOSSIS Jacques | Gitane - Campagnolo | 24y + 190d |
| 10 | CIMA José Enrique | Kas - Campagnolo | 25y + 14d |
| 11 | VAN LINDEN Alex | Bianchi - Campagnolo | 25y + 56d |
| 12 | SANTONI Glauco | Bianchi - Campagnolo | 25y + 162d |
| 13 | ESPARZA Manuel | Teka | 25y + 209d |
| 14 | NAZABAL José | Kas - Campagnolo | 25y + 364d |
| 15 | POZO Sebastian | Kas - Campagnolo | 26y + 84d |
| 16 | VILLEMIANE Pierre-Raymond | Gitane - Campagnolo | 26y + 110d |
| 17 | THALER Klaus-Peter | Teka | 28y + 47d |
| 18 | QUILFEN Bernard | Gitane - Campagnolo | 28y + 71d |
| 19 | SINGER Willy | Bianchi - Campagnolo | 28y + 127d |
| 20 | ROSSI Tullio | Bianchi - Campagnolo | 29y + 28d |