| Gerhard Mueller | |
| Birth Date: | 7 February 1835 |
| Birth Place: | Darmstadt, Grand Duchy of Hesse, Germany |
| Death Place: | Auckland, New Zealand |
| Children: | 7 |
| Known For: | First European to record the kÅtuku nesting ground at Waitangiroto |
Gerhard Mueller (7 February 1835 - 20 February 1918) was a notable New Zealand surveyor, engineer and land commissioner. He was born in Darmstadt, Germany, on 7 February 1835.