Koidu (disambiguation)
Koidu may refer to:
- Koidu Town, city in Sierra Leone
- Villages in Estonia
- Koidu, Harju County, village in Saue Parish, Harju County
- Koidu, Lääne County, village in Ridala Parish, Lääne County
- Koidu, Saare County, village in Kaarma Parish, Saare County
- Koidu, Viljandi County, village in Tarvastu Parish, Viljandi County
See also
- Koidu-Ellavere, village in Koeru Parish, Järva County, Estonia