| Official Name: | Maeru |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Harju County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Lääne-Harju Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Maeru is a village in Lääne-Harju Parish, Harju County in northern Estonia.[1]
Vasalemma river passes through Maeru.
Small portion of the northwestern part of Maeru's territory is covered by Klooga training area of the Estonian Defence Forces.