| Election Name: | 2019 Dutch water board elections |
| Country: | Netherlands |
| Type: | legislative |
| Previous Election: | 2015 Dutch water board elections |
| Previous Year: | 2015 |
| Next Election: | 2023 Dutch water board elections |
| Next Year: | 2023 |
| Seats For Election: | 442 seats divided over 21 water boards |
| Turnout: | 51.25% |
| Party1: | Water Natuurlijk |
| Last Election1: | 78 |
| Popular Vote1: | 1,200,560 |
| Percentage1: | 17.26% |
| Seats1: | 85 |
| Seat Change1: | 7 |
| Party2: | People's Party for Freedom and Democracy |
| Last Election2: | 66 |
| Popular Vote2: | 1,034,251 |
| Percentage2: | 14.87% |
| Seats2: | 70 |
| Seat Change2: | 4 |
| Party3: | Christian Democratic Appeal |
| Last Election3: | 71 |
| Popular Vote3: | 883,678 |
| Percentage3: | 12.71% |
| Seats3: | 60 |
| Seat Change3: | 11 |
| Party4: | Labour Party (Netherlands) |
| Last Election4: | 49 |
| Popular Vote4: | 785,176 |
| Percentage4: | 11,29% |
| Seats4: | 49 |
| Seat Change4: | 0 |
| Party5: | 50PLUS |
| Last Election5: | 23 |
| Popular Vote5: | 524,548 |
| Percentage5: | 7.54% |
| Seats5: | 32 |
| Seat Change5: | 9 |
| Party6: | General Water Board Party |
| Last Election6: | 18 |
| Popular Vote6: | 384,373 |
| Percentage6: | 5.53% |
| Seats6: | 21 |
| Seat Change6: | 3 |
| Party7: | Party for the Animals |
| Last Election7: | 15 |
| Popular Vote7: | 331,933 |
| Percentage7: | 4.77% |
| Seats7: | 17 |
| Seat Change7: | 2 |
| Party8: | Christian Union (Netherlands) |
| Last Election8: | 19 |
| Popular Vote8: | 309,148 |
| Percentage8: | 4.45% |
| Seats8: | 15 |
| Seat Change8: | 4 |
| Party9: | Reformed Political Party |
| Last Election9: | 13 |
| Popular Vote9: | 168,996 |
| Percentage9: | 2.43% |
| Seats9: | 9 |
| Seat Change9: | 4 |
Water board elections were held in the European Netherlands on 20 March 2019 to elect the resident members of the country's twenty-one water boards (442 seats in total). The elections were held on the same day as the 2019 Dutch provincial elections and island council elections. Water Natuurlijk remained the largest party, winning 85 seats in 20 water boards.[1]