Stage 18 Giro d'Italia 2021, Italy
- Date
- 27 May
- Distance
- 231 km
- Type
- Flat
- Starters
- 184
Alberto BETTIOL won in 5:14:43, 0:17 ahead of CONSONNI.
| 1 |  A. BETTIOL | 5:14:43 |
| 2 | S. CONSONNI | +0:17 |
| 3 |  N. ROCHE | +0:18 |
Stage result
150| # | Rider | Time | GC | Bonus | UCI pts |
|---|---|---|---|---|---|
| 1 | A. BETTIOLEF Education - Nippo | 5:14:43 | +58:58 | −12s | 100 |
| 2 | S. CONSONNICofidis | +0:17 | +3:30:03 | −6s | 40 |
| 3 | N. ROCHETeam DSM | +0:18 | +1:44:22 | −5s | 20 |
| 4 |  N. ARNDTTeam DSM | s.t. | +2:11:37 | 12 | |
| 5 | D. ULISSIUAE Team Emirates | s.t. | +44:27 | 4 | |
| 6 | S. BATTISTELLAAstana - Premier Tech | s.t. | +2:48:21 | ||
| 7 | F. ZANABardiani CSF Faizane' | s.t. | +2:35:46 | ||
| 8 |  N. TESFATSIONAndroni Giocattoli - Sidermec | s.t. | +3:01:52 | ||
| 9 |  R. CAVAGNADeceuninck - Quick-Step | +0:24 | +2:19:06 | −3s | |
| 10 | J. MOSCATrek - Segafredo | +1:12 | +1:31:30 | ||
| 11 | S. OLDANILotto Soudal | +1:34 | +2:58:28 | ||
| 12 | D. CATALDOMovistar Team | s.t. | +1:57:10 | ||
| 13 |  S. PELLAUDAndroni Giocattoli - Sidermec | s.t. | +2:34:21 | ||
| 14 | A. VENDRAMEAG2R Citroen Team | +2:11 | +1:41:03 | ||
| 15 | N. DENZTeam DSM | +2:36 | +3:19:25 |
Teams
10 of 23 scored · 2–8 riders each| # | Team | ||||
|---|---|---|---|---|---|
| 1 | EF Education - Nippo | 100 | 1 | 1 | 1 |
| 2 | Cofidis | 40 | 0 | 1 | 1 |
| 3 | Team DSM | 32 | 0 | 1 | 2 |
| 4 | Ineos Grenadiers | 20 | 0 | 0 | 0 |
| 5 | UAE Team Emirates | 4 | 0 | 0 | 1 |
| 6 | Astana - Premier Tech | 0 | 0 | 0 | 1 |
| 7 | Bardiani CSF Faizane' | 0 | 0 | 0 | 1 |
| 8 | Androni Giocattoli - Sidermec | 0 | 0 | 0 | 1 |
| 9 | Deceuninck - Quick-Step | 0 | 0 | 0 | 1 |
| 10 | Trek - Segafredo | 0 | 0 | 0 | 1 |