| Election Name: | 2019 Welwyn Hatfield Borough Council election |
| Country: | United Kingdom |
| Type: | parliamentary |
| Previous Election: | 2018 Welwyn Hatfield Borough Council election |
| Previous Year: | 2018 |
| Next Election: | 2021 Welwyn Hatfield Borough Council election |
| Next Year: | 2021 |
| Seats For Election: | 18 out of 48 seats to Welwyn Hatfield Borough Council |
| Majority Seats: | 25 |
| Party1: | Conservative Party (UK) |
| Last Election1: | 25 |
| Seats Before1: | 25 |
| Seats1: | 8 |
| Seats After1: | 23 |
| Seat Change1: | 2 |
| Popular Vote1: | 11,341 |
| Percentage1: | 38.8% |
| Swing1: | 2.5 |
| Party2: | Labour Party (UK) |
| Last Election2: | 15 |
| Seats Before2: | 15 |
| Seats2: | 5 |
| Seats After2: | 13 |
| Seat Change2: | 2 |
| Popular Vote2: | 7,419 |
| Percentage2: | 25.4% |
| Swing2: | 3.5 |
| Party3: | Liberal Democrats (UK) |
| Last Election3: | 8 |
| Seats Before3: | 8 |
| Seats3: | 5 |
| Seats After3: | 12 |
| Seat Change3: | 4 |
| Popular Vote3: | 9,397 |
| Percentage3: | 32.2% |
| Swing3: | 7.8 |
| Map Size: | 375px |
