| Election Name: | 1999 Chelmsford Borough Council election |
| Country: | United Kingdom |
| Type: | parliamentary |
| Previous Election: | 1995 Chelmsford Borough Council election |
| Previous Year: | 1995 |
| Next Election: | 2003 Chelmsford Borough Council election |
| Next Year: | 2003 |
| Seats For Election: | All 56 seats to Chelmsford Borough Council |
| Majority Seats: | 29 |
| Party1: | Liberal Democrats (UK) |
| Last Election1: | 32 |
| Seats Before1: | 32 |
| Seats1: | 28 |
| Seat Change1: | 4 |
| Popular Vote1: | 30,458 |
| Percentage1: | 37.9 |
| Swing1: | 3.0 |
| Party2: | Conservative Party (UK) |
| Last Election2: | 13 |
| Seats Before2: | 13 |
| Seats2: | 21 |
| Seat Change2: | 8 |
| Popular Vote2: | 29,880 |
| Percentage2: | 37.2 |
| Swing2: | 8.7 |
| Party4: | Labour Party (UK) |
| Last Election4: | 7 |
| Seats Before4: | 7 |
| Seats4: | 5 |
| Seat Change4: | 2 |
| Popular Vote4: | 17,408 |
| Percentage4: | 21.7 |
| Swing4: | 4.9 |
| Party5: | Independent politician |
| Last Election5: | 4 |
| Seats Before5: | 4 |
| Seats5: | 2 |
| Seat Change5: | 2 |
| Popular Vote5: | 1,490 |
| Percentage5: | 1.9 |
| Swing5: | 1.6 |
The 1999 Chelmsford Borough Council election took place on 6 May 1999 to elect members of Chelmsford Borough Council in England. This was on the same day as other local elections.